20221202320231 has 16 divisors (see below), whose sum is σ = 22632674093568. Its totient is φ = 17906655268800.

The previous prime is 20221202320177. The next prime is 20221202320247. The reversal of 20221202320231 is 13202320212202.

It is a cyclic number.

It is not a de Polignac number, because 20221202320231 - 2¹⁵ = 20221202287463 is a prime.

It is a super-2 number, since 2×20221202320231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221202350231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34574991 + ... + 35154976.

It is an arithmetic number, because the mean of its divisors is an integer number (1414542130848).

Almost surely, 2^{20221202320231} is an apocalyptic number.

20221202320231 is a deficient number, since it is larger than the sum of its proper divisors (2411471773337).

20221202320231 is a wasteful number, since it uses less digits than its factorization.

20221202320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69730662.

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

Adding to 20221202320231 its reverse (13202320212202), we get a palindrome (33423522532433).

The spelling of 20221202320231 in words is "twenty trillion, two hundred twenty-one billion, two hundred two million, three hundred twenty thousand, two hundred thirty-one".