20022230110931 has 2 divisors, whose sum is σ = 20022230110932. Its totient is φ = 20022230110930.

The previous prime is 20022230110879. The next prime is 20022230111021. The reversal of 20022230110931 is 13901103222002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022230110931 is a prime.

It is a super-2 number, since 2×20022230110931² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20022230110931.

It is not a weakly prime, because it can be changed into another prime (20022230100931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011115055465 + 10011115055466.

It is an arithmetic number, because the mean of its divisors is an integer number (10011115055466).

Almost surely, 2^{20022230110931} is an apocalyptic number.

20022230110931 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022230110931 is an equidigital number, since it uses as much as digits as its factorization.

20022230110931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 20022230110931 its reverse (13901103222002), we get a palindrome (33923333332933).

The spelling of 20022230110931 in words is "twenty trillion, twenty-two billion, two hundred thirty million, one hundred ten thousand, nine hundred thirty-one".