2316505220 has 24 divisors (see below), whose sum is σ = 4866896664. Its totient is φ = 926176256.

The previous prime is 2316505201. The next prime is 2316505231. The reversal of 2316505220 is 225056132.

It can be written as a sum of positive squares in 4 ways, for example, as 1037870656 + 1278634564 = 32216^2 + 35758^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2316505220.

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, 19982 + ... + 70938.

It is an arithmetic number, because the mean of its divisors is an integer number (202787361).

Almost surely, 2^2316505220 is an apocalyptic number.

2316505220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2316505220 is an abundant number, since it is smaller than the sum of its proper divisors (2550391444).

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

2316505220 is a wasteful number, since it uses less digits than its factorization.

2316505220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53239 (or 53237 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2316505220 is about 48130.0864325008. The cubic root of 2316505220 is about 1323.1561337404.

The spelling of 2316505220 in words is "two billion, three hundred sixteen million, five hundred five thousand, two hundred twenty".