UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   Form 10-QSB

(Mark One)
[X]   QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT
      OF 1934

                    For the quarterly period ended June 30, 2005


[ ]   TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE EXCHANGE ACT


                For the transition period from _________to _________

                         Commission file number 0-13408


                           CENTURY PROPERTIES FUND XX
        (Exact name of small business issuer as specified in its charter)



         California                                              94-2930770
(State or other jurisdiction of                               (I.R.S. Employer
 incorporation or organization)                              Identification No.)

                          55 Beattie Place, PO Box 1089
                        Greenville, South Carolina 29602
                    (Address of principal executive offices)

                                 (864) 239-1000
                           (Issuer's telephone number)


Check  whether the issuer (1) filed all reports  required to be filed by Section
13 or 15(d) of the  Exchange  Act during the past 12 months (or for such shorter
period that the  registrant  was required to file such reports) and (2) has been
subject to such filing requirements for the past 90 days. Yes X No ___


                         PART I - FINANCIAL INFORMATION


ITEM 1.     FINANCIAL STATEMENTS



                           CENTURY PROPERTIES FUND XX

                   STATEMENT OF NET LIABILITIES IN LIQUIDATION
                                   (unaudited)
                                 (in thousands)

                                  June 30, 2005



     Assets
        Cash and cash equivalents                                 $ 3
        Debt trustee escrow                                         789

                                                                    792
     Liabilities
        Other liabilities                                           122
        Due to affiliate (Note B)                                    65
        Non-recourse promissory notes (Note A)                    1,841
        Estimated costs during the period of liquidation            205

                                                                  2,233

     Net liabilities in liquidation                             $(1,441)


                   See Accompanying Notes to Financial Statements



<PAGE>






                           CENTURY PROPERTIES FUND XX

               STATEMENT OF CHANGES IN NET LIABILITIES IN LIQUIDATION
                                   (Unaudited)
                                 (in thousands)


<TABLE>
<CAPTION>


                                                                    For the Six Months
                                                                      Ended June 30,
                                                                  2005             2004
<S>                                                              <C>             <C>
Net liabilities in liquidation at beginning of period            $(1,332)        $(1,027)

Changes in net liabilities in liquidation attributed to:
   Decrease in cash and cash equivalents                              --              (1)
   Decrease in debt trustee escrow                                    (8)            (28)
   Increase in due to affiliates                                     (25)            (40)
   (Increase) decrease in other liabilities                          (25)             29
   Increase in Non-Recourse Promissory Notes and interest            (37)            (37)
   Increase in estimated costs during the period of
     liquidation                                                     (14)            (18)

Net liabilities in liquidation at end of period                  $(1,441)        $(1,122)

                   See Accompanying Notes to Financial Statements
</TABLE>


<PAGE>


                           CENTURY PROPERTIES FUND XX

                          NOTES TO FINANCIAL STATEMENTS
                                   (Unaudited)


Note A - Basis of Presentation

As of December  31,  1999,  Century  Properties  Fund XX (the  "Partnership"  or
"Registrant") adopted the liquidation basis of accounting.

The  Partnership's  Nonrecourse  Promissory  Notes  (the  "Notes"),  which had a
balance of principal and accrued  interest of  approximately  $1,841,000 at June
30, 2005, matured on November 30, 1998. The Notes bear interest at eight percent
per annum. The Partnership was in default due to non-payment upon maturity.  Fox
Capital  Management  Corporation  ("FCMC"  or the  "Managing  General  Partner")
previously  contacted the indenture trustee for the Notes and certain holders of
the Notes regarding this default.  On October 28, 1999, the Partnership  entered
into a  forbearance  agreement  with the  indenture  trustee for a period of 390
days. In turn, the  Partnership  agreed to (a) deliver to the indenture  trustee
for  the  benefit  of  the  note  holders  all of the  accumulated  cash  of the
Partnership,  less certain  reserves and  anticipated  operating  expenses,  (b)
market all of its  properties  for sale,  (c) deliver all cash proceeds from any
sales to the  indenture  trustee  until the Notes  are fully  satisfied  and (d)
comply with the reporting requirements under the indenture. At the expiration of
the  forbearance  period,  the Partnership had not sold all of its properties or
satisfied the Notes. With the consent of the indenture trustee,  the forbearance
period  was  extended  to  December  15,  2001.  The  sale of the  Partnership's
remaining asset in October 2001 did not generate  sufficient proceeds to pay off
the Notes in full. The Managing General Partner is working with the debt trustee
regarding a final  payment to the  noteholders.  Once this payment is made,  the
Partnership  is  expected  to  terminate.  The  Managing  General  Partner  is a
subsidiary of Apartment Investment and Management Company ("AIMCO"),  a publicly
traded real estate investment trust.

As a result of the  decision  to  liquidate  the  Partnership,  the  Partnership
changed its basis of  accounting  for its  financial  statements at December 31,
1999, to the  liquidation  basis of accounting.  Consequently,  assets have been
valued at estimated net realizable  value and liabilities are presented at their
estimated   settlement   amounts.   The  valuation  of  assets  and  liabilities
necessarily  requires many estimates and  assumptions  and there are substantial
uncertainties in carrying out the liquidation.  The actual realization of assets
and  settlement of liabilities  could be higher or lower than amounts  indicated
and is based upon the Managing General Partner's estimates as of the date of the
financial statements.

Included in liabilities in the statement of net liabilities in liquidation as of
June 30,  2005 is  approximately  $205,000  of costs that the  Managing  General
Partner  estimates will be incurred  during the remaining  period of liquidation
based on the assumption that the  liquidation  process will be completed by June
30, 2006. Because the settlement of liabilities is based on the Managing General
Partner's best estimates,  the liquidation  period may be shorter than projected
or it may be extended beyond the projected period.

Note B - Transactions with Affiliated Parties

The Partnership has no employees and depends on the Managing General Partner and
its  affiliates  for  the  management  and  administration  of  all  partnership
activities.   The  Partnership   Agreement  provides  for  certain  payments  to
affiliates for services and as  reimbursement  of certain  expenses  incurred by
affiliates on behalf of the Partnership.

Affiliates of the Managing  General Partner received no  reimbursements  for the
six months ended June 30, 2005 or 2004.

During the six months ended June 30, 2005, an affiliate of the Managing  General
Partner  advanced  the  Partnership   approximately  $25,000  to  pay  operating
expenses.  No  interest  was  charged on this  advance.  At June 30,  2005,  the
Partnership owed approximately $65,000 for advances from affiliates.

Note C - Contingencies

In March 1998, several putative unit holders of limited partnership units of the
Partnership  commenced an action  entitled  Rosalie  Nuanes,  et al. v. Insignia
Financial Group, Inc., et al. (the "Nuanes action") in the Superior Court of the
State of  California  for the  County  of San  Mateo.  The  plaintiffs  named as
defendants,  among others,  the  Partnership,  its Managing  General Partner and
several of their  affiliated  partnerships  and corporate  entities.  The action
purported  to  assert  claims  on  behalf  of a class of  limited  partners  and
derivatively  on behalf  of a number  of  limited  partnerships  (including  the
Partnership)  that are named as nominal  defendants,  challenging,  among  other
things,  the  acquisition  of  interests  in certain  Managing  General  Partner
entities by Insignia Financial Group, Inc.  ("Insignia") and entities that were,
at one  time,  affiliates  of  Insignia;  past  tender  offers  by the  Insignia
affiliates to acquire limited partnership units;  management of the partnerships
by the  Insignia  affiliates;  and the series of  transactions  which  closed on
October 1, 1998 and February 26, 1999 whereby  Insignia and Insignia  Properties
Trust,  respectively,  were merged into AIMCO.  The plaintiffs  sought  monetary
damages and equitable relief, including judicial dissolution of the Partnership.
In addition,  during the third quarter of 2001, a complaint  captioned Heller v.
Insignia  Financial  Group (the  "Heller  action")  was filed  against  the same
defendants  that are named in the  Nuanes  action.  On or about  August 6, 2001,
plaintiffs filed a first amended  complaint.  The Heller action was brought as a
purported derivative action, and asserted claims for, among other things, breach
of fiduciary  duty,  unfair  competition,  conversion,  unjust  enrichment,  and
judicial  dissolution.  On January 28, 2002, the trial court granted  defendants
motion to strike the complaint. Plaintiffs took an appeal from this order.

On January 8, 2003,  the parties filed a  Stipulation  of Settlement in proposed
settlement of the Nuanes  action and the Heller  action.  On June 13, 2003,  the
court granted final approval of the settlement and entered  judgment in both the
Nuanes and Heller actions. On August 12, 2003, an objector ("Objector") filed an
appeal (the "Appeal")  seeking to vacate and/or reverse the order  approving the
settlement and entering judgment  thereto.  On May 4, 2004, the Objector filed a
second appeal  challenging  the court's use of a referee and its order requiring
Objector to pay those fees.

On March 21, 2005, the Court of Appeals issued opinions in both pending appeals.
With regard to the settlement and judgment entered thereto, the Court of Appeals
vacated  the trial  court's  order and  remanded  to the trial court for further
findings  on the basis that the "state of the record is  insufficient  to permit
meaningful  appellate  review".  With regard to the second appeal,  the Court of
Appeals  reversed the order requiring the Objector to pay referee fees. On April
26, 2005,  the Court of Appeals  lifted the stay of a pending  appeal related to
the Heller action and the trial court's order striking the  complaint.  On April
28, 2005, the Objector  filed a Petition for Review with the California  Supreme
Court in connection with the opinion vacating the order approving settlement and
remanding for further findings.  On June 10, 2005, the California  Supreme Court
denied  Objector's  Petition for Review and the Court of Appeals sent the matter
back to the trial court on June 21,  2005.  The parties  intend to ask the trial
court to make further findings in connection with settlement consistent with the
Court of Appeal's  remand order.  With respect to the related Heller appeal,  on
July 28, 2005,  the Court of Appeals  reversed the trial court's order  striking
the first amended complaint.

The  Managing  General  Partner  does  not  anticipate  that  any  costs  to the
Partnership,  whether legal or settlement costs,  associated with this case will
be material to the Partnership's overall operations.

On August 17, 2004, the  Partnership was sued,  along with the Managing  General
Partner, Fox Capital Management  Corporation,  and general partner, Fox Partners
III.  The suit was  brought in the Supreme  Court of the State of New York,  New
York County by J.P.  Morgan Trust  Company,  N.A.,  ("Trustee")  formerly  Chase
Manhattan Bank & Trust Company, N.A., as Trustee under the Trust Indenture dated
as of February 22, 1984.  The Trustee  alleges  claims of breach of contract and
unjust  enrichment based on defendants'  alleged  breaches of their  obligations
under a Forbearance  Agreement  dated as of October 28, 1999.  The Trustee seeks
the  payment of certain  funds that it  contends  were  improperly  withheld  or
misappropriated  under the  Forbearance  Agreement.  In its  breach of  contract
claim,  the Trustee claims that it is entitled to $541,776 plus interest,  which
is  comprised  of  management  fees  paid to Fox  Partners  III and  outstanding
reserves  allegedly due to the Trustee.  The Partnership will vigorously  defend
the  litigation.   The  Partnership's  management  does  not  believe  that  the
litigation will have a material adverse effect on the Partnership.

SEC Investigation

The  Central  Regional  Office of the  United  States  Securities  and  Exchange
Commission (the "SEC")  continues its formal  investigation  relating to certain
matters.  Although  the staff of the SEC is not limited in the areas that it may
investigate,  AIMCO believes the areas of  investigation  have included  AIMCO's
miscalculated   monthly  net  rental  income  figures  in  third  quarter  2003,
forecasted  guidance,  accounts  payable,  rent  concessions,   vendor  rebates,
capitalization of payroll and certain other costs, tax credit transactions,  and
tender offers for limited  partnership  interests.  AIMCO is cooperating  fully.
AIMCO is not able to predict when the investigation will be resolved. AIMCO does
not believe that the ultimate outcome will have a material adverse effect on its
consolidated  financial  condition  or results  of  operations.  Similarly,  the
Managing  General Partner does not believe that the ultimate outcome will have a
material adverse effect on the Partnership's  financial  condition or results of
operations.



<PAGE>



ITEM 2.     MANAGEMENT'S DISCUSSION AND ANALYSIS OR PLAN OF OPERATIONS

The matters discussed in this report contain certain forward-looking statements,
including, without limitation, statements regarding future financial performance
and the effect of government  regulations.  Actual results may differ materially
from those described in the forward-looking statements and will be affected by a
variety of risks and factors including,  without limitation:  national and local
economic  conditions;  the terms of  governmental  regulations  that  affect the
Registrant and interpretations of those regulations; litigation, including costs
associated  with  prosecuting  and  defending  claims and any adverse  outcomes.
Readers should carefully review the  Registrant's  financial  statements and the
notes  thereto,  as well as the risk  factors  described  in the  documents  the
Registrant files from time to time with the Securities and Exchange Commission.

As of December  31,  1999,  Century  Properties  Fund XX (the  "Partnership"  or
"Registrant")  adopted the liquidation  basis of accounting.  The  Partnership's
Nonrecourse Promissory Notes (the "Notes"), which had a balance of principal and
accrued  interest  of  approximately  $1,841,000  at June 30,  2005,  matured on
November  30,  1998.  The notes bear  interest at eight  percent per annum.  The
Partnership  was in  default  due to  non-payment  upon  maturity.  Fox  Capital
Management  Corporation  ("FCMC" or the "Managing General  Partner")  previously
contacted the indenture  trustee for the Notes and certain  holders of the Notes
regarding  this default.  On October 28, 1999,  the  Partnership  entered into a
forbearance  agreement  with the indenture  trustee for a period of 390 days. In
turn,  the  Partnership  agreed to (a) deliver to the indenture  trustee for the
benefit of the note holders all of the accumulated cash of the Partnership, less
certain  reserves  and  anticipated  operating  expenses,  (b) market all of its
properties  for  sale,  (c)  deliver  all cash  proceeds  from any  sales to the
indenture  trustee  until the Notes are fully  satisfied and (d) comply with the
reporting requirements under the indenture. At the expiration of the forbearance
period,  the  Partnership  had not sold all of its  properties  or satisfied the
Notes.  With the consent of the indenture  trustee,  the forbearance  period was
extended to December 15, 2001. The sale of the Partnership's  remaining asset in
October 2001 did not generate  sufficient proceeds to pay off the Notes in full.
The Managing General Partner is working with the debt trustee  regarding a final
payment to the  noteholders.  Once this  payment  is made,  the  Partnership  is
expected to terminate.

As a result of the  decision  to  liquidate  the  Partnership,  the  Partnership
changed its basis of  accounting  for its  financial  statements at December 31,
1999 to the  liquidation  basis of  accounting.  Consequently,  assets have been
valued at estimated net realizable  value and liabilities are presented at their
estimated   settlement   amounts.   The  valuation  of  assets  and  liabilities
necessarily  requires many estimates and  assumptions  and there are substantial
uncertainties in carrying out the liquidation.  The actual realization of assets
and  settlement of liabilities  could be higher or lower than amounts  indicated
and is based upon the Managing General Partner's estimates as of the date of the
financial statements.

During the six months  ended  June 30,  2005,  net  liabilities  in  liquidation
increased by approximately  $109,000. The increase is primarily due to increases
in the accrued  interest  payable on the Notes, in amounts due to affiliates and
in other liabilities.

During  the six  months  ended  June 30,  2004,  net  liabilities  increased  by
approximately  $95,000. The increase is due to increases in the accrued interest
payable on the Notes and in amounts due to affiliate  and a decrease in the debt
trustee  escrow  partially  offset  by a  decrease  in  other  liabilities.  The
estimated costs during the period of liquidation increased due to an increase in
the expected legal and administrative expenses incurred by the trustee on behalf
of the Partnership.

Included in the statement of net  liabilities in liquidation as of June 30, 2005
is approximately  $205,000 of costs that the Managing General Partner  estimates
will be incurred  during the period of liquidation  based on the assumption that
the  liquidation  process  will be  completed  by June  30,  2006.  Because  the
settlement  of  liabilities  is based on the  Managing  General  Partner's  best
estimates,  the  liquidation  period may be shorter than  projected or it may be
extended beyond the projected period.

In light of the maturity of the Notes, no distributions were made to the limited
partners for the six months ended June 30, 2005 and 2004.

In addition to its indirect  ownership of the Managing  General Partner interest
in the  Partnership,  AIMCO and its affiliates  owned 3,950 limited  partnership
units in the Partnership representing 6.39% of the outstanding units at June 30,
2005. AIMCO and its affiliates also own 8,977 of the notes representing 9.10% of
the outstanding notes at June 30, 2005.

ITEM 3.     CONTROLS AND PROCEDURES

(a) Disclosure Controls and Procedures.  The Partnership's management,  with the
participation of the principal executive officer and principal financial officer
of the Managing  General  Partner,  who are the equivalent of the  Partnership's
principal executive officer and principal financial officer,  respectively,  has
evaluated  the  effectiveness  of  the  Partnership's  disclosure  controls  and
procedures (as such term is defined in Rules  13a-15(e) and 15d-15(e)  under the
Securities  Exchange Act of 1934, as amended (the "Exchange Act")) as of the end
of the period covered by this report.  Based on such  evaluation,  the principal
executive  officer  and  principal  financial  officer of the  Managing  General
Partner, who are the equivalent of the Partnership's principal executive officer
and principal  financial officer,  respectively,  have concluded that, as of the
end of such period,  the  Partnership's  disclosure  controls and procedures are
effective.

(b) Internal Control Over Financial  Reporting.  There have not been any changes
in the Partnership's  internal control over financial reporting (as such term is
defined in Rules  13a-15(f)  and  15d-15(f)  under the Exchange  Act) during the
fiscal quarter to which this report relates that have  materially  affected,  or
are reasonably likely to materially affect,  the Partnership's  internal control
over financial reporting.


<PAGE>


                           PART II - OTHER INFORMATION


ITEM 1.     LEGAL PROCEEDINGS

In March 1998, several putative unit holders of limited partnership units of the
Partnership  commenced an action  entitled  Rosalie  Nuanes,  et al. v. Insignia
Financial Group, Inc., et al. (the "Nuanes action") in the Superior Court of the
State of  California  for the  County  of San  Mateo.  The  plaintiffs  named as
defendants,  among others,  the  Partnership,  its Managing  General Partner and
several of their  affiliated  partnerships  and corporate  entities.  The action
purported  to  assert  claims  on  behalf  of a class of  limited  partners  and
derivatively  on behalf  of a number  of  limited  partnerships  (including  the
Partnership)  that are named as nominal  defendants,  challenging,  among  other
things,  the  acquisition  of  interests  in certain  Managing  General  Partner
entities by Insignia Financial Group, Inc.  ("Insignia") and entities that were,
at one  time,  affiliates  of  Insignia;  past  tender  offers  by the  Insignia
affiliates to acquire limited partnership units;  management of the partnerships
by the  Insignia  affiliates;  and the series of  transactions  which  closed on
October 1, 1998 and February 26, 1999 whereby  Insignia and Insignia  Properties
Trust,  respectively,  were merged into AIMCO.  The plaintiffs  sought  monetary
damages and equitable relief, including judicial dissolution of the Partnership.
In addition,  during the third quarter of 2001, a complaint  captioned Heller v.
Insignia  Financial  Group (the  "Heller  action")  was filed  against  the same
defendants  that are named in the  Nuanes  action.  On or about  August 6, 2001,
plaintiffs filed a first amended  complaint.  The Heller action was brought as a
purported derivative action, and asserted claims for, among other things, breach
of fiduciary  duty,  unfair  competition,  conversion,  unjust  enrichment,  and
judicial  dissolution.  On January 28, 2002, the trial court granted  defendants
motion to strike the complaint. Plaintiffs took an appeal from this order.

On January 8, 2003,  the parties filed a  Stipulation  of Settlement in proposed
settlement of the Nuanes  action and the Heller  action.  On June 13, 2003,  the
court granted final approval of the settlement and entered  judgment in both the
Nuanes and Heller actions. On August 12, 2003, an objector ("Objector") filed an
appeal (the "Appeal")  seeking to vacate and/or reverse the order  approving the
settlement and entering judgment  thereto.  On May 4, 2004, the Objector filed a
second appeal  challenging  the court's use of a referee and its order requiring
Objector to pay those fees.

On March 21, 2005, the Court of Appeals issued opinions in both pending appeals.
With regard to the settlement and judgment entered thereto, the Court of Appeals
vacated  the trial  court's  order and  remanded  to the trial court for further
findings  on the basis that the "state of the record is  insufficient  to permit
meaningful  appellate  review".  With regard to the second appeal,  the Court of
Appeals  reversed the order requiring the Objector to pay referee fees. On April
26, 2005,  the Court of Appeals  lifted the stay of a pending  appeal related to
the Heller action and the trial court's order striking the  complaint.  On April
28, 2005, the Objector  filed a Petition for Review with the California  Supreme
Court in connection with the opinion vacating the order approving settlement and
remanding for further findings.  On June 10, 2005, the California  Supreme Court
denied  Objector's  Petition for Review and the Court of Appeals sent the matter
back to the trial court on June 21,  2005.  The parties  intend to ask the trial
court to make further findings in connection with settlement consistent with the
Court of Appeal's  remand order.  With respect to the related Heller appeal,  on
July 28, 2005,  the Court of Appeals  reversed the trial court's order  striking
the first amended complaint.

The  Managing  General  Partner  does  not  anticipate  that  any  costs  to the
Partnership,  whether legal or settlement costs,  associated with this case will
be material to the Partnership's overall operations.

On August 17, 2004, the  Partnership was sued,  along with the Managing  General
Partner, Fox Capital Management  Corporation,  and general partner, Fox Partners
III.  The suit was  brought in the Supreme  Court of the State of New York,  New
York County by J.P.  Morgan Trust  Company,  N.A.,  ("Trustee")  formerly  Chase
Manhattan Bank & Trust Company, N.A., as Trustee under the Trust Indenture dated
as of February 22, 1984.  The Trustee  alleges  claims of breach of contract and
unjust  enrichment based on defendants'  alleged  breaches of their  obligations
under a Forbearance  Agreement  dated as of October 28, 1999.  The Trustee seeks
the  payment of certain  funds that it  contends  were  improperly  withheld  or
misappropriated  under the  Forbearance  Agreement.  In its  breach of  contract
claim,  the Trustee claims that it is entitled to $541,776 plus interest,  which
is  comprised  of  management  fees  paid to Fox  Partners  III and  outstanding
reserves  allegedly due to the Trustee.  The Partnership will vigorously  defend
the  litigation.   The  Partnership's  management  does  not  believe  that  the
litigation will have a material adverse effect on the Partnership.

ITEM 5.     OTHER INFORMATION

            None.

ITEM 6.     EXHIBITS

            See Exhibit Index.


<PAGE>


                                   SIGNATURES



In accordance with the  requirements of the Exchange Act, the Registrant  caused
this  report to be  signed on its  behalf  by the  undersigned,  thereunto  duly
authorized.



                                    CENTURY PROPERTIES FUND XX


                                    By:   FOX PARTNERS III
                                          Its General Partner


                                    By:   FOX CAPITAL MANAGEMENT CORPORATION
                                          Its Managing General Partner


                                    By:   /s/Martha L. Long
                                          Martha L. Long
                                          Senior Vice President


                                    By:   /s/Stephen B. Waters
                                          Stephen B. Waters
                                          Vice President


                                    Date: August 12, 2005



<PAGE>


                                  EXHIBIT INDEX



Exhibit

2    NPI,  Inc.  Stock  Purchase  Agreement,   dated  as  of  August  17,  1995,
     incorporated by reference to the  Partnership's  Current Report on Form 8-K
     dated August 17, 1995.

3.4  Agreement of Limited Partnership, incorporated by reference to Exhibit A to
     the Prospectus of the Partnership  dated February 22, 1984, and November 8,
     1984, and thereafter supplemented contained in the Partnership Registration
     Statement on Form S-11 (Reg. No. 2-88615).

31.1 Certification  of  equivalent  of  Chief  Executive   Officer  pursuant  to
     Securities Exchange Act Rules  13a-14(a)/15d-14(a),  as Adopted Pursuant to
     Section 302 of the Sarbanes-Oxley Act of 2002.

31.2 Certification  of  equivalent  of  Chief  Financial   Officer  pursuant  to
     Securities Exchange Act Rules  13a-14(a)/15d-14(a),  as Adopted Pursuant to
     Section 302 of the Sarbanes-Oxley Act of 2002.

32.1 Certification  of the equivalent of the Chief  Executive  Officer and Chief
     Financial  Officer Pursuant to 18 U.S.C.  Section 1350, as Adopted Pursuant
     to Section 906 of the Sarbanes-Oxley Act of 2002.


<PAGE>



Exhibit 31.1


                                  CERTIFICATION


I, Martha L. Long, certify that:


1.    I have reviewed this quarterly report on Form 10-QSB of Century Properties
      Fund XX;

2.    Based on my knowledge,  this report does not contain any untrue  statement
      of a material fact or omit to state a material fact  necessary to make the
      statements made, in light of the circumstances under which such statements
      were made,  not  misleading  with  respect  to the period  covered by this
      report;

3.    Based on my  knowledge,  the  financial  statements,  and other  financial
      information  included  in this  report,  fairly  present  in all  material
      respects the financial condition,  results of operations and cash flows of
      the small  business  issuer as of, and for, the periods  presented in this
      report;

4.    The  small  business  issuer's  other  certifying  officer(s)  and  I  are
      responsible  for  establishing  and  maintaining  disclosure  controls and
      procedures (as defined in Exchange Act Rules  13a-15(e) and 15d-15(e)) for
      the small business issuer and have:

      (a)   Designed such  disclosure  controls and  procedures,  or caused such
            disclosure   controls  and  procedures  to  be  designed  under  our
            supervision,  to ensure that  material  information  relating to the
            small business issuer, including its consolidated  subsidiaries,  is
            made  known to us by  others  within  those  entities,  particularly
            during the period in which this report is being prepared;

      (b)   Evaluated  the   effectiveness   of  the  small  business   issuer's
            disclosure  controls and procedures and presented in this report our
            conclusions about the  effectiveness of the disclosure  controls and
            procedures, as of the end of the period covered by this report based
            on such evaluation; and

      (c)   Disclosed in this report any change in the small  business  issuer's
            internal  control over financial  reporting that occurred during the
            small  business  issuer's  most  recent  fiscal  quarter  (the small
            business  issuer's fourth fiscal quarter in the case of an quarterly
            report) that has  materially  affected,  or is reasonably  likely to
            materially affect, the small business issuer's internal control over
            financial reporting; and

5.    The  small  business  issuer's  other  certifying  officer(s)  and I  have
      disclosed,  based on our most recent  evaluation of internal  control over
      financial reporting, to the small business issuer's auditors and the audit
      committee of the small  business  issuer's  board of directors (or persons
      performing the equivalent functions):

      (a)   All significant  deficiencies and material  weaknesses in the design
            or operation of internal control over financial  reporting which are
            reasonably  likely to adversely  affect the small business  issuer's
            ability  to  record,   process,   summarize  and  report   financial
            information; and

      (b)   Any fraud,  whether or not  material,  that  involves  management or
            other  employees who have a significant  role in the small  business
            issuer's internal control over financial reporting.

Date:  August 12, 2005

                                    /s/Martha L. Long
                                    Martha L. Long
                                    Senior   Vice   President   of  Fox  Capital
                                    Management  Corporation,  equivalent  of the
                                    chief executive officer of the Partnership


<PAGE>



Exhibit 31.2


                                  CERTIFICATION


I, Stephen B. Waters, certify that:


1.    I have reviewed this quarterly report on Form 10-QSB of Century Properties
      Fund XX;

2.    Based on my knowledge,  this report does not contain any untrue  statement
      of a material fact or omit to state a material fact  necessary to make the
      statements made, in light of the circumstances under which such statements
      were made,  not  misleading  with  respect  to the period  covered by this
      report;

3.    Based on my  knowledge,  the  financial  statements,  and other  financial
      information  included  in this  report,  fairly  present  in all  material
      respects the financial condition,  results of operations and cash flows of
      the small  business  issuer as of, and for, the periods  presented in this
      report;

4.    The  small  business  issuer's  other  certifying  officer(s)  and  I  are
      responsible  for  establishing  and  maintaining  disclosure  controls and
      procedures (as defined in Exchange Act Rules  13a-15(e) and 15d-15(e)) for
      the small business issuer and have:

      (a)   Designed such  disclosure  controls and  procedures,  or caused such
            disclosure   controls  and  procedures  to  be  designed  under  our
            supervision,  to ensure that  material  information  relating to the
            small business issuer, including its consolidated  subsidiaries,  is
            made  known to us by  others  within  those  entities,  particularly
            during the period in which this report is being prepared;

      (b)   Evaluated  the   effectiveness   of  the  small  business   issuer's
            disclosure  controls and procedures and presented in this report our
            conclusions about the  effectiveness of the disclosure  controls and
            procedures, as of the end of the period covered by this report based
            on such evaluation; and

      (c)   Disclosed in this report any change in the small  business  issuer's
            internal  control over financial  reporting that occurred during the
            small  business  issuer's  most  recent  fiscal  quarter  (the small
            business  issuer's fourth fiscal quarter in the case of an quarterly
            report) that has  materially  affected,  or is reasonably  likely to
            materially affect, the small business issuer's internal control over
            financial reporting; and

5.    The  small  business  issuer's  other  certifying  officer(s)  and I  have
      disclosed,  based on our most recent  evaluation of internal  control over
      financial reporting, to the small business issuer's auditors and the audit
      committee of the small  business  issuer's  board of directors (or persons
      performing the equivalent functions):

      (a)   All significant  deficiencies and material  weaknesses in the design
            or operation of internal control over financial  reporting which are
            reasonably  likely to adversely  affect the small business  issuer's
            ability  to  record,   process,   summarize  and  report   financial
            information; and

      (b)   Any fraud,  whether or not  material,  that  involves  management or
            other  employees who have a significant  role in the small  business
            issuer's internal control over financial reporting.

Date:  August 12, 2005

                                    /s/Stephen B. Waters
                                    Stephen B. Waters
                                    Vice President of Fox Capital
                                    Management Corporation, equivalent of
                                    the chief financial officer of the
                                    Partnership


<PAGE>


Exhibit 32.1


                          Certification of CEO and CFO
                       Pursuant to 18 U.S.C. Section 1350,
                             As Adopted Pursuant to
                   Section 906 of the Sarbanes-Oxley Act of 2002



In  connection  with the Quarterly  Report on Form 10-QSB of Century  Properties
Fund XX (the  "Partnership"),  for the  quarterly  period ended June 30, 2005 as
filed with the  Securities  and  Exchange  Commission  on the date  hereof  (the
"Report"),  Martha L. Long, as the equivalent of the Chief Executive  Officer of
the Partnership, and Stephen B. Waters, as the equivalent of the Chief Financial
Officer of the Partnership, each hereby certifies, pursuant to 18 U.S.C. Section
1350,  as adopted  pursuant  to Section 906 of the  Sarbanes-Oxley  Act of 2002,
that, to the best of his knowledge:

      (1)   The Report fully complies with the  requirements of Section 13(a) or
            15(d) of the Securities Exchange Act of 1934; and

      (2)   The  information  contained in the Report  fairly  presents,  in all
            material respects, the financial condition and results of operations
            of the Partnership.


                                           /s/Martha L. Long
                                    Name:  Martha L. Long
                                    Date:  August 12, 2005


                                           /s/Stephen B. Waters
                                    Name:  Stephen B. Waters
                                    Date:  August 12, 2005


This  certification is furnished with this Report pursuant to Section 906 of the
Sarbanes-Oxley  Act of 2002 and shall not be deemed filed by the Partnership for
purposes of Section 18 of the Securities Exchange Act of 1934, as amended.