20320322230131 has 16 divisors (see below), whose sum is σ = 33779236954368. Its totient is φ = 10556011548000.

The previous prime is 20320322230081. The next prime is 20320322230141. The reversal of 20320322230131 is 13103222302302.

It is not a de Polignac number, because 20320322230131 - 2⁶ = 20320322230067 is a prime.

It is a super-2 number, since 2×20320322230131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20320322230141) 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, 43983381220 + ... + 43983381681.

It is an arithmetic number, because the mean of its divisors is an integer number (2111202309648).

Almost surely, 2^{20320322230131} is an apocalyptic number.

20320322230131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20320322230131 is a deficient number, since it is larger than the sum of its proper divisors (13458914724237).

20320322230131 is a wasteful number, since it uses less digits than its factorization.

20320322230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87966762922.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20320322230131 its reverse (13103222302302), we get a palindrome (33423544532433).

The spelling of 20320322230131 in words is "twenty trillion, three hundred twenty billion, three hundred twenty-two million, two hundred thirty thousand, one hundred thirty-one".