20032112304 has 120 divisors (see below), whose sum is σ = 56723855552. Its totient is φ = 6599024640.

The previous prime is 20032112273. The next prime is 20032112339. The reversal of 20032112304 is 40321123002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4361049 + ... + 4365639.

Almost surely, 2^20032112304 is an apocalyptic number.

20032112304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20032112304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28361927776).

20032112304 is an abundant number, since it is smaller than the sum of its proper divisors (36691743248).

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

20032112304 is a wasteful number, since it uses less digits than its factorization.

20032112304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955 (or 4946 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20032112304 its reverse (40321123002), we get a palindrome (60353235306).

The spelling of 20032112304 in words is "twenty billion, thirty-two million, one hundred twelve thousand, three hundred four".