20252008 has 16 divisors (see below), whose sum is σ = 43397280. Its totient is φ = 8679408.

The previous prime is 20251993. The next prime is 20252017. The reversal of 20252008 is 80025202.

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, 180766 + ... + 180877.

It is an arithmetic number, because the mean of its divisors is an integer number (2712330).

Almost surely, 2^20252008 is an apocalyptic number.

20252008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20252008 is an abundant number, since it is smaller than the sum of its proper divisors (23145272).

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

20252008 is a wasteful number, since it uses less digits than its factorization.

20252008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361656 (or 361652 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 20252008 is about 4500.2231055804. The cubic root of 20252008 is about 272.5770979558.

The spelling of 20252008 in words is "twenty million, two hundred fifty-two thousand, eight".