20876992 has 14 divisors (see below), whose sum is σ = 41427908. Its totient is φ = 10438464.

The previous prime is 20876987. The next prime is 20876993. The reversal of 20876992 is 29967802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20876993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163038 + ... + 163165.

Almost surely, 2^20876992 is an apocalyptic number.

It is an amenable number.

20876992 is a deficient number, since it is larger than the sum of its proper divisors (20550916).

20876992 is an equidigital number, since it uses as much as digits as its factorization.

20876992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326215 (or 326205 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 20876992 is about 4569.1347102050. The cubic root of 20876992 is about 275.3526802858.

The spelling of 20876992 in words is "twenty million, eight hundred seventy-six thousand, nine hundred ninety-two".