20054032131 has 16 divisors (see below), whose sum is σ = 30571833600. Its totient is φ = 11454456288.

The previous prime is 20054032129. The next prime is 20054032177. The reversal of 20054032131 is 13123045002.

It is not a de Polignac number, because 20054032131 - 2¹ = 20054032129 is a prime.

It is a super-2 number, since 2×20054032131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20054032098 and 20054032107.

It is not an unprimeable number, because it can be changed into a prime (20054032111) 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, 158301 + ... + 255278.

It is an arithmetic number, because the mean of its divisors is an integer number (1910739600).

Almost surely, 2^20054032131 is an apocalyptic number.

20054032131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20054032131 is a deficient number, since it is larger than the sum of its proper divisors (10517801469).

20054032131 is a wasteful number, since it uses less digits than its factorization.

20054032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415898.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20054032131 its reverse (13123045002), we get a palindrome (33177077133).

The spelling of 20054032131 in words is "twenty billion, fifty-four million, thirty-two thousand, one hundred thirty-one".