general_fact: 20459 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 20459 is a boring number.
trivia: 20459 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: January 5th is the day in 1971 that the first One Day International cricket match is held between Australia and England at the Melbourne Cricket Ground.