20013232130131 has 16 divisors (see below), whose sum is σ = 22209121267200. Its totient is φ = 17948595886848.

The previous prime is 20013232130117. The next prime is 20013232130149. The reversal of 20013232130131 is 13103123231002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20013232130131 is a prime.

It is a super-2 number, since 2×20013232130131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013232130231) 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, 236023951 + ... + 236108728.

It is an arithmetic number, because the mean of its divisors is an integer number (1388070079200).

Almost surely, 2^{20013232130131} is an apocalyptic number.

20013232130131 is a deficient number, since it is larger than the sum of its proper divisors (2195889137069).

20013232130131 is a wasteful number, since it uses less digits than its factorization.

20013232130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472132818.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20013232130131 its reverse (13103123231002), we get a palindrome (33116355361133).

The spelling of 20013232130131 in words is "twenty trillion, thirteen billion, two hundred thirty-two million, one hundred thirty thousand, one hundred thirty-one".