20200322131 has 48 divisors (see below), whose sum is σ = 24839237088. Its totient is φ = 16367408640.

The previous prime is 20200322113. The next prime is 20200322173. The reversal of 20200322131 is 13122300202.

It is not a de Polignac number, because 20200322131 - 2¹⁹ = 20199797843 is a prime.

It is a super-2 number, since 2×20200322131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201322131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8167111 + ... + 8169583.

It is an arithmetic number, because the mean of its divisors is an integer number (517484106).

Almost surely, 2^20200322131 is an apocalyptic number.

20200322131 is a deficient number, since it is larger than the sum of its proper divisors (4638914957).

20200322131 is a wasteful number, since it uses less digits than its factorization.

20200322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561 (or 2520 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20200322131 its reverse (13122300202), we get a palindrome (33322622333).

The spelling of 20200322131 in words is "twenty billion, two hundred million, three hundred twenty-two thousand, one hundred thirty-one".