20432050555131 has 32 divisors (see below), whose sum is σ = 31868297260800. Its totient is φ = 12902245574400.

The previous prime is 20432050555123. The next prime is 20432050555187. The reversal of 20432050555131 is 13155505023402.

20432050555131 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 20 + 50 + 5 + 551 + 31 = 666.

It is not a de Polignac number, because 20432050555131 - 2³ = 20432050555123 is a prime.

It is a super-2 number, since 2×20432050555131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20432050559131) 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 31 ways as a sum of consecutive naturals, for example, 402006 + ... + 6405131.

It is an arithmetic number, because the mean of its divisors is an integer number (995884289400).

Almost surely, 2^{20432050555131} is an apocalyptic number.

20432050555131 is a deficient number, since it is larger than the sum of its proper divisors (11436246705669).

20432050555131 is a wasteful number, since it uses less digits than its factorization.

20432050555131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813016 (or 6813010 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 20432050555131 its reverse (13155505023402), we get a palindrome (33587555578533).

The spelling of 20432050555131 in words is "twenty trillion, four hundred thirty-two billion, fifty million, five hundred fifty-five thousand, one hundred thirty-one".