20 Jenụwarị bu ubochi nke 20th (nke iri abụọ ) na onwa ana kpo Jenụwarị. Na Gregorian calender, 20 Jenụwarị bu ubochi nke 20th na afo. Anyi nwere agugu ubochi 345 (346 na afo nke ana-kpo leap-year) du mgbe afo na agwu.