20422322131 has 2 divisors, whose sum is σ = 20422322132. Its totient is φ = 20422322130.

The previous prime is 20422322119. The next prime is 20422322147. The reversal of 20422322131 is 13122322402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20422322131 - 2⁵ = 20422322099 is a prime.

It is a super-2 number, since 2×20422322131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20422322231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211161065 + 10211161066.

It is an arithmetic number, because the mean of its divisors is an integer number (10211161066).

Almost surely, 2^20422322131 is an apocalyptic number.

20422322131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20422322131 is an equidigital number, since it uses as much as digits as its factorization.

20422322131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20422322131 its reverse (13122322402), we get a palindrome (33544644533).

The spelling of 20422322131 in words is "twenty billion, four hundred twenty-two million, three hundred twenty-two thousand, one hundred thirty-one".