20023310311113 has 16 divisors (see below), whose sum is σ = 28862429280320. Its totient is φ = 12304509322176.

The previous prime is 20023310311099. The next prime is 20023310311157. The reversal of 20023310311113 is 31111301332002.

It is a happy number.

It is not a de Polignac number, because 20023310311113 - 2¹³ = 20023310302921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20023310311113.

It is not an unprimeable number, because it can be changed into a prime (20023310312113) 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, 4747107970 + ... + 4747112187.

It is an arithmetic number, because the mean of its divisors is an integer number (1803901830020).

Almost surely, 2^{20023310311113} is an apocalyptic number.

It is an amenable number.

20023310311113 is a deficient number, since it is larger than the sum of its proper divisors (8839118969207).

20023310311113 is a wasteful number, since it uses less digits than its factorization.

20023310311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494220216.

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

Adding to 20023310311113 its reverse (31111301332002), we get a palindrome (51134611643115).

The spelling of 20023310311113 in words is "twenty trillion, twenty-three billion, three hundred ten million, three hundred eleven thousand, one hundred thirteen".