252023135320 has 32 divisors (see below), whose sum is σ = 618602242320. Its totient is φ = 91644776320.

The previous prime is 252023135263. The next prime is 252023135333. The reversal of 252023135320 is 23531320252.

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 7 ways as a sum of consecutive naturals, for example, 286389487 + ... + 286390366.

Almost surely, 2^252023135320 is an apocalyptic number.

252023135320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252023135320 is an abundant number, since it is smaller than the sum of its proper divisors (366579107000).

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

252023135320 is a wasteful number, since it uses less digits than its factorization.

252023135320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572779875 (or 572779871 counting only the distinct ones).

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

Adding to 252023135320 its reverse (23531320252), we get a palindrome (275554455572).

The spelling of 252023135320 in words is "two hundred fifty-two billion, twenty-three million, one hundred thirty-five thousand, three hundred twenty".