20080976664 has 64 divisors (see below), whose sum is σ = 57793075200. Its totient is φ = 5695536384.

The previous prime is 20080976611. The next prime is 20080976677. The reversal of 20080976664 is 46667908002.

It is a super-2 number, since 2×20080976664² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413224 + ... + 459255.

It is an arithmetic number, because the mean of its divisors is an integer number (903016800).

Almost surely, 2^20080976664 is an apocalyptic number.

20080976664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20080976664 is an abundant number, since it is smaller than the sum of its proper divisors (37712098536).

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

20080976664 is a wasteful number, since it uses less digits than its factorization.

20080976664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872632 (or 872628 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 20080976664 in words is "twenty billion, eighty million, nine hundred seventy-six thousand, six hundred sixty-four".