20220323131 has 4 divisors (see below), whose sum is σ = 20221310200. Its totient is φ = 20219336064.

The previous prime is 20220323129. The next prime is 20220323173. The reversal of 20220323131 is 13132302202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20220323131 - 2¹ = 20220323129 is a prime.

It is a super-2 number, since 2×20220323131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220323099 and 20220323108.

It is not an unprimeable number, because it can be changed into a prime (20220323111) 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 3 ways as a sum of consecutive naturals, for example, 462141 + ... + 503998.

It is an arithmetic number, because the mean of its divisors is an integer number (5055327550).

Almost surely, 2^20220323131 is an apocalyptic number.

20220323131 is a deficient number, since it is larger than the sum of its proper divisors (987069).

20220323131 is an equidigital number, since it uses as much as digits as its factorization.

20220323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987068.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20220323131 its reverse (13132302202), we get a palindrome (33352625333).

The spelling of 20220323131 in words is "twenty billion, two hundred twenty million, three hundred twenty-three thousand, one hundred thirty-one".