20848808 has 16 divisors (see below), whose sum is σ = 40001280. Its totient is φ = 10181808.

The previous prime is 20848759. The next prime is 20848819. The reversal of 20848808 is 80884802.

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, 29960 + ... + 30647.

It is an arithmetic number, because the mean of its divisors is an integer number (2500080).

Almost surely, 2^20848808 is an apocalyptic number.

It is an amenable number.

20848808 is a deficient number, since it is larger than the sum of its proper divisors (19152472).

20848808 is a wasteful number, since it uses less digits than its factorization.

20848808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60656 (or 60652 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 38.

The square root of 20848808 is about 4566.0494960086. The cubic root of 20848808 is about 275.2287155114.

The spelling of 20848808 in words is "twenty million, eight hundred forty-eight thousand, eight hundred eight".