20937505160 has 64 divisors (see below), whose sum is σ = 55345308480. Its totient is φ = 7027971840.

The previous prime is 20937505157. The next prime is 20937505177. The reversal of 20937505160 is 6150573902.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1824482 + ... + 1835921.

It is an arithmetic number, because the mean of its divisors is an integer number (864770445).

Almost surely, 2^20937505160 is an apocalyptic number.

20937505160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20937505160 is an abundant number, since it is smaller than the sum of its proper divisors (34407803320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20937505160 is a wasteful number, since it uses less digits than its factorization.

20937505160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660438 (or 3660434 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 20937505160 in words is "twenty billion, nine hundred thirty-seven million, five hundred five thousand, one hundred sixty".