252331035220 has 48 divisors (see below), whose sum is σ = 598000838400. Its totient is φ = 88592712320.

The previous prime is 252331035217. The next prime is 252331035239. The reversal of 252331035220 is 22530133252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19768780 + ... + 19781539.

It is an arithmetic number, because the mean of its divisors is an integer number (12458350800).

Almost surely, 2^252331035220 is an apocalyptic number.

252331035220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252331035220 is an abundant number, since it is smaller than the sum of its proper divisors (345669803180).

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

252331035220 is a wasteful number, since it uses less digits than its factorization.

252331035220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39550368 (or 39550366 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 252331035220 its reverse (22530133252), we get a palindrome (274861168472).

The spelling of 252331035220 in words is "two hundred fifty-two billion, three hundred thirty-one million, thirty-five thousand, two hundred twenty".