2313322220 has 24 divisors (see below), whose sum is σ = 5299611408. Its totient is φ = 841208000.

The previous prime is 2313322211. The next prime is 2313322223. The reversal of 2313322220 is 222233132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2313322192 and 2313322201.

It is not an unprimeable number, because it can be changed into a prime (2313322223) 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, 5257331 + ... + 5257770.

It is an arithmetic number, because the mean of its divisors is an integer number (220817142).

Almost surely, 2^2313322220 is an apocalyptic number.

2313322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313322220 is an abundant number, since it is smaller than the sum of its proper divisors (2986289188).

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

2313322220 is a wasteful number, since it uses less digits than its factorization.

2313322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10515121 (or 10515119 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2313322220 is about 48097.0084308785. The cubic root of 2313322220 is about 1322.5498272518.

Adding to 2313322220 its reverse (222233132), we get a palindrome (2535555352).

The spelling of 2313322220 in words is "two billion, three hundred thirteen million, three hundred twenty-two thousand, two hundred twenty".