20945718591176 has 32 divisors (see below), whose sum is σ = 39686958323040. Its totient is φ = 10362577909248.

The previous prime is 20945718591097. The next prime is 20945718591211. The reversal of 20945718591176 is 67119581754902.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468335 + ... + 6489281.

It is an arithmetic number, because the mean of its divisors is an integer number (1240217447595).

Almost surely, 2^{20945718591176} is an apocalyptic number.

It is an amenable number.

20945718591176 is a deficient number, since it is larger than the sum of its proper divisors (18741239731864).

20945718591176 is a wasteful number, since it uses less digits than its factorization.

20945718591176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025533 (or 6025529 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 65.

The spelling of 20945718591176 in words is "twenty trillion, nine hundred forty-five billion, seven hundred eighteen million, five hundred ninety-one thousand, one hundred seventy-six".