2312032220 has 24 divisors (see below), whose sum is σ = 5066367264. Its totient is φ = 884603456.

The previous prime is 2312032193. The next prime is 2312032253. The reversal of 2312032220 is 222302132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2512619 + ... + 2513538.

It is an arithmetic number, because the mean of its divisors is an integer number (211098636).

Almost surely, 2^2312032220 is an apocalyptic number.

2312032220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312032220 is an abundant number, since it is smaller than the sum of its proper divisors (2754335044).

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

2312032220 is a wasteful number, since it uses less digits than its factorization.

2312032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026189 (or 5026187 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2312032220 is about 48083.5961633487. The cubic root of 2312032220 is about 1322.3039461710.

Adding to 2312032220 its reverse (222302132), we get a palindrome (2534334352).

The spelling of 2312032220 in words is "two billion, three hundred twelve million, thirty-two thousand, two hundred twenty".