252312042220 has 48 divisors (see below), whose sum is σ = 605928617280. Its totient is φ = 86452740864.

The previous prime is 252312042217. The next prime is 252312042271. The reversal of 252312042220 is 22240213252.

252312042220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252312042220² (a number of 24 digits) contains 22 as substring.

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, 340675 + ... + 787834.

It is an arithmetic number, because the mean of its divisors is an integer number (12623512860).

Almost surely, 2^252312042220 is an apocalyptic number.

252312042220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252312042220 is an abundant number, since it is smaller than the sum of its proper divisors (353616575060).

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

252312042220 is a wasteful number, since it uses less digits than its factorization.

252312042220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130122 (or 1130120 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 252312042220 its reverse (22240213252), we get a palindrome (274552255472).

The spelling of 252312042220 in words is "two hundred fifty-two billion, three hundred twelve million, forty-two thousand, two hundred twenty".