20023222172205 has 32 divisors (see below), whose sum is σ = 38767650326784. Its totient is φ = 8615033404416.

The previous prime is 20023222172201. The next prime is 20023222172269. The reversal of 20023222172205 is 50227122232002.

It is not a de Polignac number, because 20023222172205 - 2² = 20023222172201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023222172201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5608743922 + ... + 5608747491.

It is an arithmetic number, because the mean of its divisors is an integer number (1211489072712).

Almost surely, 2^{20023222172205} is an apocalyptic number.

It is an amenable number.

20023222172205 is a deficient number, since it is larger than the sum of its proper divisors (18744428154579).

20023222172205 is a wasteful number, since it uses less digits than its factorization.

20023222172205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11217491445.

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 20023222172205 in words is "twenty trillion, twenty-three billion, two hundred twenty-two million, one hundred seventy-two thousand, two hundred five".