20425344431022 has 28 divisors (see below), whose sum is σ = 45936011244240. Its totient is φ = 6808448143188.

The previous prime is 20425344430873. The next prime is 20425344431053. The reversal of 20425344431022 is 22013444352402.

20425344431022 is a `hidden beast` number, since 20 + 42 + 53 + 4 + 443 + 102 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 7004574822 + ... + 7004577737.

Almost surely, 2^{20425344431022} is an apocalyptic number.

20425344431022 is an abundant number, since it is smaller than the sum of its proper divisors (25510666813218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20425344431022 is an equidigital number, since it uses as much as digits as its factorization.

20425344431022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14009152579 (or 14009152564 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 20425344431022 its reverse (22013444352402), we get a palindrome (42438788783424).

The spelling of 20425344431022 in words is "twenty trillion, four hundred twenty-five billion, three hundred forty-four million, four hundred thirty-one thousand, twenty-two".