22020321131 has 8 divisors (see below), whose sum is σ = 22386927264. Its totient is φ = 21653896320.

The previous prime is 22020321097. The next prime is 22020321139. The reversal of 22020321131 is 13112302022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22020321131 - 2²² = 22016126827 is a prime.

It is a super-2 number, since 2×22020321131² (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 (22020321139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211586 + ... + 298008.

It is an arithmetic number, because the mean of its divisors is an integer number (2798365908).

Almost surely, 2^22020321131 is an apocalyptic number.

22020321131 is a deficient number, since it is larger than the sum of its proper divisors (366606133).

22020321131 is an equidigital number, since it uses as much as digits as its factorization.

22020321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90661.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22020321131 its reverse (13112302022), we get a palindrome (35132623153).

The spelling of 22020321131 in words is "twenty-two billion, twenty million, three hundred twenty-one thousand, one hundred thirty-one".