20252307572 has 24 divisors (see below), whose sum is σ = 40922193984. Its totient is φ = 8590079232.

The previous prime is 20252307527. The next prime is 20252307577. The reversal of 20252307572 is 27570325202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252307577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3725618 + ... + 3731049.

It is an arithmetic number, because the mean of its divisors is an integer number (1705091416).

Almost surely, 2^20252307572 is an apocalyptic number.

It is an amenable number.

20252307572 is an abundant number, since it is smaller than the sum of its proper divisors (20669886412).

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

20252307572 is a wasteful number, since it uses less digits than its factorization.

20252307572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456775 (or 7456773 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 35.

The spelling of 20252307572 in words is "twenty billion, two hundred fifty-two million, three hundred seven thousand, five hundred seventy-two".