noun

• (twenty; Roman numeral XX) the natural number following 19 and preceding 21.
• an album by American singer and
• the eleventh album by Estonian rock band Terminaator, released in 2007.
• the 1992 retrospective two-CD box set by contemporary Christian music group 2nd Chapter of Acts.
• 20 [Twenty] (stylized as 20 [twenty]) is the third studio album released in Japan by South Korean rock band F.T. Island.
• a studio album by English folk musician Kate Rusby, released on 22 October 2012 on Pure Records.
• the twentieth studio album by Serbian singer Dragana Mirković.
• a compilation album by American girl group TLC.
• #20 is a Cantopop album by Edmond Leung.#20 –
• an Italian free-to-air television channel, operated by Mediaset and owned by MFE - MediaForEurope.
• the sixth studio album by all-female German pop group No Angels.