The K-20 is an aerial photography camera used during World War II, e.g., from the Enola Gay's tail gunner position of the nuclear mushroom cloud over Hiroshima.
The Honda K series car engine is a four-cylinder four-stroke engine introduced in 2001.
K-20 is a state highway in the northeastern part of the U.S. state of Kansas.
at film festivals, The Fiend with Twenty Faces on home video in the United States and The Legend of the Black Mask in the United Kingdom) is a 2008 Japanese action film written and directed by Shimako Satō and based on a novel by Sō Kitamura and its sequel. The film released worldwide on December 20, 2008. Takeshi Kaneshiro and Takako Matsu portray a fictional roles in the film. Tōru Nakamura and Kanata Hongo also starred in the film, just as Takeshi Kaga, Fumiyo Kohinata, Reiko Takashima, Toru Masuoka and Yuki Imai.
The K20 Center for Educational and Community Renewal is a statewide research and development center located on the research campus of the University of Oklahoma.