20864596 has 12 divisors (see below), whose sum is σ = 37500148. Its totient is φ = 10150272.

The previous prime is 20864587. The next prime is 20864609. The reversal of 20864596 is 69546802.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9548100 + 11316496 = 3090^2 + 3364^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70341 + ... + 70636.

Almost surely, 2^20864596 is an apocalyptic number.

It is an amenable number.

20864596 is a deficient number, since it is larger than the sum of its proper divisors (16635552).

20864596 is a wasteful number, since it uses less digits than its factorization.

20864596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141018 (or 141016 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 20864596 is about 4567.7780156220. The cubic root of 20864596 is about 275.2981713539.

The spelling of 20864596 in words is "twenty million, eight hundred sixty-four thousand, five hundred ninety-six".