20882508 has 12 divisors (see below), whose sum is σ = 48725880. Its totient is φ = 6960832.

The previous prime is 20882507. The next prime is 20882531. The reversal of 20882508 is 80528802.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20882507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870093 + ... + 870116.

It is an arithmetic number, because the mean of its divisors is an integer number (4060490).

Almost surely, 2^20882508 is an apocalyptic number.

It is an amenable number.

20882508 is an abundant number, since it is smaller than the sum of its proper divisors (27843372).

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

20882508 is a wasteful number, since it uses less digits than its factorization.

20882508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740216 (or 1740214 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 20882508 is about 4569.7382857227. The cubic root of 20882508 is about 275.3769288563.

The spelling of 20882508 in words is "twenty million, eight hundred eighty-two thousand, five hundred eight".