22020011173 has 2 divisors, whose sum is σ = 22020011174. Its totient is φ = 22020011172.

The previous prime is 22020011113. The next prime is 22020011191. The reversal of 22020011173 is 37111002022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17144759844 + 4875251329 = 130938^2 + 69823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020011173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22020011173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020011113) 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 as a sum of consecutive naturals, namely, 11010005586 + 11010005587.

It is an arithmetic number, because the mean of its divisors is an integer number (11010005587).

Almost surely, 2^22020011173 is an apocalyptic number.

It is an amenable number.

22020011173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020011173 is an equidigital number, since it uses as much as digits as its factorization.

22020011173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 22020011173 its reverse (37111002022), we get a palindrome (59131013195).

The spelling of 22020011173 in words is "twenty-two billion, twenty million, eleven thousand, one hundred seventy-three".