It is a Jordan-Polya number, since it can be written as 7! ⋅ (2!)2.
It is a tau number, because it is divible by the number of its divisors (84).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 12.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 20160.
20160 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
20160 is a highly composite number, because it has more divisors than any smaller number.
220160 is an apocalyptic number.
20160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20160 is a wasteful number, since it uses less digits than its factorization.
20160 is an evil number, because the sum of its binary digits is even.
The square root of 20160 is about 141.9859147944. The cubic root of 20160 is about 27.2163684638.
Adding to 20160 its reverse (6102), we get a palindrome (26262).
The spelling of 20160 in words is "twenty thousand, one hundred sixty".