20597632286 has 60 divisors (see below), whose sum is σ = 38963921640. Its totient is φ = 7999735920.

The previous prime is 20597632261. The next prime is 20597632291. The reversal of 20597632286 is 68223679502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 64976600 + ... + 64976916.

It is an arithmetic number, because the mean of its divisors is an integer number (649398694).

Almost surely, 2^20597632286 is an apocalyptic number.

20597632286 is a deficient number, since it is larger than the sum of its proper divisors (18366289354).

20597632286 is an frugal number, since it uses more digits than its factorization.

20597632286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 20597632286 in words is "twenty billion, five hundred ninety-seven million, six hundred thirty-two thousand, two hundred eighty-six".