20313123133320 has 96 divisors (see below), whose sum is σ = 66018211061400. Its totient is φ = 5416786814976.

The previous prime is 20313123133307. The next prime is 20313123133351. The reversal of 20313123133320 is 2333132131302.

20313123133320 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 3 + 12 + 313 + 332 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10723411214244 + 9589711919076 = 3274662^2 + 3096726^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74619216 + ... + 74890944.

Almost surely, 2^{20313123133320} is an apocalyptic number.

20313123133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313123133320 is an abundant number, since it is smaller than the sum of its proper divisors (45705087928080).

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

20313123133320 is a wasteful number, since it uses less digits than its factorization.

20313123133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479399 (or 479392 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 20313123133320 its reverse (2333132131302), we get a palindrome (22646255264622).

The spelling of 20313123133320 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-three million, one hundred thirty-three thousand, three hundred twenty".