20863676 has 12 divisors (see below), whose sum is σ = 37288608. Its totient is φ = 10209792.

The previous prime is 20863649. The next prime is 20863693. The reversal of 20863676 is 67636802.

It is a hoax number, since the sum of its digits (38) 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, 55301 + ... + 55676.

It is an arithmetic number, because the mean of its divisors is an integer number (3107384).

Almost surely, 2^20863676 is an apocalyptic number.

It is an amenable number.

20863676 is a deficient number, since it is larger than the sum of its proper divisors (16424932).

20863676 is a wasteful number, since it uses less digits than its factorization.

20863676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111028 (or 111026 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 20863676 is about 4567.6773090927. The cubic root of 20863676 is about 275.2941249773.

The spelling of 20863676 in words is "twenty million, eight hundred sixty-three thousand, six hundred seventy-six".