22020131321 has 8 divisors (see below), whose sum is σ = 22291306464. Its totient is φ = 21749096160.

The previous prime is 22020131303. The next prime is 22020131369. The reversal of 22020131321 is 12313102022.

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 22020131321 - 2²² = 22015937017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020131321.

It is not an unprimeable number, because it can be changed into a prime (22020131521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301301 + ... + 367181.

It is an arithmetic number, because the mean of its divisors is an integer number (2786413308).

Almost surely, 2^22020131321 is an apocalyptic number.

It is an amenable number.

22020131321 is a deficient number, since it is larger than the sum of its proper divisors (271175143).

22020131321 is an equidigital number, since it uses as much as digits as its factorization.

22020131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69991.

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

Adding to 22020131321 its reverse (12313102022), we get a palindrome (34333233343).

The spelling of 22020131321 in words is "twenty-two billion, twenty million, one hundred thirty-one thousand, three hundred twenty-one".