2313222320220 has 144 divisors (see below), whose sum is σ = 7579613905920. Its totient is φ = 525570331776.

The previous prime is 2313222320191. The next prime is 2313222320239. The reversal of 2313222320220 is 220232223132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1864740 + ... + 2846699.

It is an arithmetic number, because the mean of its divisors is an integer number (52636207680).

Almost surely, 2^{2313222320220} is an apocalyptic number.

2313222320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313222320220 is an abundant number, since it is smaller than the sum of its proper divisors (5266391585700).

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

2313222320220 is a wasteful number, since it uses less digits than its factorization.

2313222320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711632 (or 4711623 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 2313222320220 its reverse (220232223132), we get a palindrome (2533454543352).

The spelling of 2313222320220 in words is "two trillion, three hundred thirteen billion, two hundred twenty-two million, three hundred twenty thousand, two hundred twenty".