23020222131 has 12 divisors (see below), whose sum is σ = 33268092000. Its totient is φ = 15339125520.

The previous prime is 23020222097. The next prime is 23020222133. The reversal of 23020222131 is 13122202032.

It is not a de Polignac number, because 23020222131 - 2⁹ = 23020221619 is a prime.

It is a super-2 number, since 2×23020222131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23020222133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621780 + ... + 657761.

It is an arithmetic number, because the mean of its divisors is an integer number (2772341000).

Almost surely, 2^23020222131 is an apocalyptic number.

23020222131 is a deficient number, since it is larger than the sum of its proper divisors (10247869869).

23020222131 is a wasteful number, since it uses less digits than its factorization.

23020222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281546 (or 1281543 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23020222131 its reverse (13122202032), we get a palindrome (36142424163).

The spelling of 23020222131 in words is "twenty-three billion, twenty million, two hundred twenty-two thousand, one hundred thirty-one".