20104034132 has 48 divisors (see below), whose sum is σ = 43378349952. Its totient is φ = 7939036800.

The previous prime is 20104034113. The next prime is 20104034141. The reversal of 20104034132 is 23143040102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155882 + ... + 253982.

It is an arithmetic number, because the mean of its divisors is an integer number (903715624).

Almost surely, 2^20104034132 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 20104034132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21689174976).

20104034132 is an abundant number, since it is smaller than the sum of its proper divisors (23274315820).

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

20104034132 is a wasteful number, since it uses less digits than its factorization.

20104034132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98688 (or 98686 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20104034132 its reverse (23143040102), we get a palindrome (43247074234).

The spelling of 20104034132 in words is "twenty billion, one hundred four million, thirty-four thousand, one hundred thirty-two".