20052508 has 12 divisors (see below), whose sum is σ = 40105072. Its totient is φ = 8593920.

The previous prime is 20052479. The next prime is 20052521. The reversal of 20052508 is 80525002.

20052508 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358053 + ... + 358108.

Almost surely, 2^20052508 is an apocalyptic number.

20052508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20052508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20052508 is a wasteful number, since it uses less digits than its factorization.

20052508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716172 (or 716170 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 20052508 is about 4478.0026797670. The cubic root of 20052508 is about 271.6791018099.

The spelling of 20052508 in words is "twenty million, fifty-two thousand, five hundred eight".