20422431110423 has 8 divisors (see below), whose sum is σ = 20975098164240. Its totient is φ = 19869801396480.

The previous prime is 20422431110401. The next prime is 20422431110429. The reversal of 20422431110423 is 32401113422402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20422431110423 - 2³⁶ = 20353711633687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422431110429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8224538 + ... + 10415751.

It is an arithmetic number, because the mean of its divisors is an integer number (2621887270530).

Almost surely, 2^{20422431110423} is an apocalyptic number.

20422431110423 is a deficient number, since it is larger than the sum of its proper divisors (552667053817).

20422431110423 is a wasteful number, since it uses less digits than its factorization.

20422431110423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18669937.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 20422431110423 its reverse (32401113422402), we get a palindrome (52823544532825).

The spelling of 20422431110423 in words is "twenty trillion, four hundred twenty-two billion, four hundred thirty-one million, one hundred ten thousand, four hundred twenty-three".