20882992 has 30 divisors (see below), whose sum is σ = 43818252. Its totient is φ = 9637056.

The previous prime is 20882977. The next prime is 20883001. The reversal of 20882992 is 29928802.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1158 + ... + 6565.

Almost surely, 2^20882992 is an apocalyptic number.

It is an amenable number.

20882992 is an abundant number, since it is smaller than the sum of its proper divisors (22935260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20882992 is a wasteful number, since it uses less digits than its factorization.

20882992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757 (or 7738 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 20882992 is about 4569.7912424968. The cubic root of 20882992 is about 275.3790563371.

The spelling of 20882992 in words is "twenty million, eight hundred eighty-two thousand, nine hundred ninety-two".