Fatto generale: 20514 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 20514 is a boring number.
Trivia: 20514 is an unremarkable number.
Data storica: February 29th is the day in 1796 that the Jay Treaty between the United States and Great Britain comes into force, facilitating ten years of peaceful trade between the two nations.