20077366564 has 24 divisors (see below), whose sum is σ = 36103148928. Its totient is φ = 9764802720.

The previous prime is 20077366549. The next prime is 20077366583. The reversal of 20077366564 is 46566377002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296947 + ... + 358234.

It is an arithmetic number, because the mean of its divisors is an integer number (1504297872).

Almost surely, 2^20077366564 is an apocalyptic number.

It is an amenable number.

20077366564 is a deficient number, since it is larger than the sum of its proper divisors (16025782364).

20077366564 is a wasteful number, since it uses less digits than its factorization.

20077366564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655395 (or 655393 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 20077366564 in words is "twenty billion, seventy-seven million, three hundred sixty-six thousand, five hundred sixty-four".