252412022520 has 96 divisors (see below), whose sum is σ = 937530378720. Its totient is φ = 57694176000.

The previous prime is 252412022519. The next prime is 252412022543. The reversal of 252412022520 is 25220214252.

It is a happy number.

252412022520 is a `hidden beast` number, since 2 + 5 + 2 + 412 + 0 + 225 + 20 = 666.

It is a super-2 number, since 2×252412022520² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50079231 + ... + 50084270.

It is an arithmetic number, because the mean of its divisors is an integer number (9765941445).

Almost surely, 2^252412022520 is an apocalyptic number.

252412022520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252412022520 is an abundant number, since it is smaller than the sum of its proper divisors (685118356200).

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

252412022520 is a wasteful number, since it uses less digits than its factorization.

252412022520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100163525 (or 100163518 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 252412022520 its reverse (25220214252), we get a palindrome (277632236772).

It can be divided in two parts, 25241 and 2022520, that added together give a square (2047761 = 1431²).

The spelling of 252412022520 in words is "two hundred fifty-two billion, four hundred twelve million, twenty-two thousand, five hundred twenty".