20231535252 has 24 divisors (see below), whose sum is σ = 47263204800. Its totient is φ = 6735803776.

The previous prime is 20231535221. The next prime is 20231535277. The reversal of 20231535252 is 25253513202.

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, 994677 + ... + 1014812.

It is an arithmetic number, because the mean of its divisors is an integer number (1969300200).

Almost surely, 2^20231535252 is an apocalyptic number.

It is an amenable number.

20231535252 is an abundant number, since it is smaller than the sum of its proper divisors (27031669548).

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

20231535252 is a wasteful number, since it uses less digits than its factorization.

20231535252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010335 (or 2010333 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 20231535252 in words is "twenty billion, two hundred thirty-one million, five hundred thirty-five thousand, two hundred fifty-two".