20244142104431 has 64 divisors (see below), whose sum is σ = 24695591116800. Its totient is φ = 16221366944640.

The previous prime is 20244142104421. The next prime is 20244142104457. The reversal of 20244142104431 is 13440124144202.

It is not a de Polignac number, because 20244142104431 - 2²⁶ = 20244074995567 is a prime.

It is a super-2 number, since 2×20244142104431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244142104421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1170240620 + ... + 1170257918.

It is an arithmetic number, because the mean of its divisors is an integer number (385868611200).

Almost surely, 2^{20244142104431} is an apocalyptic number.

20244142104431 is a deficient number, since it is larger than the sum of its proper divisors (4451449012369).

20244142104431 is a wasteful number, since it uses less digits than its factorization.

20244142104431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18244.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 20244142104431 its reverse (13440124144202), we get a palindrome (33684266248633).

The spelling of 20244142104431 in words is "twenty trillion, two hundred forty-four billion, one hundred forty-two million, one hundred four thousand, four hundred thirty-one".