20252508 has 24 divisors (see below), whose sum is σ = 50036112. Its totient is φ = 6353664.

The previous prime is 20252503. The next prime is 20252509. The reversal of 20252508 is 80525202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49435 + ... + 49842.

It is an arithmetic number, because the mean of its divisors is an integer number (2084838).

Almost surely, 2^20252508 is an apocalyptic number.

It is an amenable number.

20252508 is an abundant number, since it is smaller than the sum of its proper divisors (29783604).

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

20252508 is a wasteful number, since it uses less digits than its factorization.

20252508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99301 (or 99299 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 20252508 is about 4500.2786580389. The cubic root of 20252508 is about 272.5793411478.

The spelling of 20252508 in words is "twenty million, two hundred fifty-two thousand, five hundred eight".