Hecho matemático: 20739 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 20739 is a boring number.
Fecha histórica: October 11th is the day in 1975 that the NBC sketch comedy/variety show Saturday Night Live debuts with George Carlin as the host and Andy Kaufman, Janis Ian and Billy Preston as guests.