20457174722316 has 48 divisors (see below), whose sum is σ = 47790475463808. Its totient is φ = 6810906643200.

The previous prime is 20457174722249. The next prime is 20457174722389. The reversal of 20457174722316 is 61322747175402.

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, 211000371 + ... + 211097301.

It is an arithmetic number, because the mean of its divisors is an integer number (995634905496).

Almost surely, 2^{20457174722316} is an apocalyptic number.

It is an amenable number.

20457174722316 is an abundant number, since it is smaller than the sum of its proper divisors (27333300741492).

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

20457174722316 is a wasteful number, since it uses less digits than its factorization.

20457174722316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117782 (or 117780 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 20457174722316 in words is "twenty trillion, four hundred fifty-seven billion, one hundred seventy-four million, seven hundred twenty-two thousand, three hundred sixteen".