20013311120331 has 16 divisors (see below), whose sum is σ = 27587385031680. Its totient is φ = 12892040518560.

The previous prime is 20013311120317. The next prime is 20013311120449. The reversal of 20013311120331 is 13302111331002.

It is a happy number.

It is not a de Polignac number, because 20013311120331 - 2¹³ = 20013311112139 is a prime.

It is a super-2 number, since 2×20013311120331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20013311120298 and 20013311120307.

It is not an unprimeable number, because it can be changed into a prime (20013311020331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164714841 + ... + 164836298.

It is an arithmetic number, because the mean of its divisors is an integer number (1724211564480).

Almost surely, 2^{20013311120331} is an apocalyptic number.

20013311120331 is a deficient number, since it is larger than the sum of its proper divisors (7574073911349).

20013311120331 is a wasteful number, since it uses less digits than its factorization.

20013311120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329551826.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 20013311120331 its reverse (13302111331002), we get a palindrome (33315422451333).

The spelling of 20013311120331 in words is "twenty trillion, thirteen billion, three hundred eleven million, one hundred twenty thousand, three hundred thirty-one".