Fatto generale: 20037 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 20037 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 20037 is a boring number.
Data storica: November 9th is the day in 1965 that Catholic Worker member Roger Allen LaPorte, protesting against the Vietnam War, sets himself on fire in front of the United Nations building.