20946804500368 has 160 divisors (see below), whose sum is σ = 42009699600000. Its totient is φ = 10113922953216.

The previous prime is 20946804500329. The next prime is 20946804500423. The reversal of 20946804500368 is 86300540864902.

It is a super-2 number, since 2×20946804500368² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6870055708 + ... + 6870058756.

It is an arithmetic number, because the mean of its divisors is an integer number (262560622500).

Almost surely, 2^{20946804500368} is an apocalyptic number.

It is an amenable number.

20946804500368 is an abundant number, since it is smaller than the sum of its proper divisors (21062895099632).

20946804500368 is a wasteful number, since it uses less digits than its factorization.

20946804500368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 20946804500368 in words is "twenty trillion, nine hundred forty-six billion, eight hundred four million, five hundred thousand, three hundred sixty-eight".