20012054132 has 72 divisors (see below), whose sum is σ = 41144241600. Its totient is φ = 8491566720.

The previous prime is 20012054113. The next prime is 20012054177. The reversal of 20012054132 is 23145021002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19076744 + ... + 19077792.

It is an arithmetic number, because the mean of its divisors is an integer number (571447800).

Almost surely, 2^20012054132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012054132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20572120800).

20012054132 is an abundant number, since it is smaller than the sum of its proper divisors (21132187468).

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

20012054132 is a wasteful number, since it uses less digits than its factorization.

20012054132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941 (or 1932 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20012054132 its reverse (23145021002), we get a palindrome (43157075134).

The spelling of 20012054132 in words is "twenty billion, twelve million, fifty-four thousand, one hundred thirty-two".