252020784 has 40 divisors (see below), whose sum is σ = 689353200. Its totient is φ = 79065088.

The previous prime is 252020773. The next prime is 252020789. The reversal of 252020784 is 487020252.

It is not an unprimeable number, because it can be changed into a prime (252020789) 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, 153609 + ... + 155240.

It is an arithmetic number, because the mean of its divisors is an integer number (17233830).

Almost surely, 2^252020784 is an apocalyptic number.

252020784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252020784 is an abundant number, since it is smaller than the sum of its proper divisors (437332416).

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

252020784 is a wasteful number, since it uses less digits than its factorization.

252020784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308877 (or 308871 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 252020784 is about 15875.1624873574. The cubic root of 252020784 is about 631.6533242642.

The spelling of 252020784 in words is "two hundred fifty-two million, twenty thousand, seven hundred eighty-four".