20620174256160 has 96 divisors (see below), whose sum is σ = 65290096085760. Its totient is φ = 5470222368768.

The previous prime is 20620174256119. The next prime is 20620174256203. The reversal of 20620174256160 is 6165247102602.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111199320 + ... + 111384599.

It is an arithmetic number, because the mean of its divisors is an integer number (680105167560).

Almost surely, 2^{20620174256160} is an apocalyptic number.

20620174256160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20620174256160 is an abundant number, since it is smaller than the sum of its proper divisors (44669921829600).

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

20620174256160 is a wasteful number, since it uses less digits than its factorization.

20620174256160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222584130 (or 222584122 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 20620174256160 in words is "twenty trillion, six hundred twenty billion, one hundred seventy-four million, two hundred fifty-six thousand, one hundred sixty".