general_fact: 20367 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 20367 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 20367 is a boring number.
historical_date: October 5th is the day in 869 that the Fourth Council of Constantinople is convened to decide about what to do about patriarch Photius of Constantinople.