20233012311320 has 16 divisors (see below), whose sum is σ = 45524277700560. Its totient is φ = 8093204924512.

The previous prime is 20233012311319. The next prime is 20233012311341. The reversal of 20233012311320 is 2311321033202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252912653852 + ... + 252912653931.

It is an arithmetic number, because the mean of its divisors is an integer number (2845267356285).

Almost surely, 2^{20233012311320} is an apocalyptic number.

20233012311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233012311320 is an abundant number, since it is smaller than the sum of its proper divisors (25291265389240).

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

20233012311320 is a wasteful number, since it uses less digits than its factorization.

20233012311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505825307794 (or 505825307790 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20233012311320 its reverse (2311321033202), we get a palindrome (22544333344522).

The spelling of 20233012311320 in words is "twenty trillion, two hundred thirty-three billion, twelve million, three hundred eleven thousand, three hundred twenty".