252020616 has 32 divisors (see below), whose sum is σ = 647082240. Its totient is φ = 81736128.

The previous prime is 252020611. The next prime is 252020641. The reversal of 252020616 is 616020252.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (252020611) 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, 141016 + ... + 142791.

It is an arithmetic number, because the mean of its divisors is an integer number (20221320).

Almost surely, 2^252020616 is an apocalyptic number.

It is an amenable number.

252020616 is an abundant number, since it is smaller than the sum of its proper divisors (395061624).

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

252020616 is a wasteful number, since it uses less digits than its factorization.

252020616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283853 (or 283849 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 252020616 is about 15875.1571960721. The cubic root of 252020616 is about 631.6531839083.

Adding to 252020616 its reverse (616020252), we get a palindrome (868040868).

The spelling of 252020616 in words is "two hundred fifty-two million, twenty thousand, six hundred sixteen".