20112304032 has 72 divisors (see below), whose sum is σ = 57235451364. Its totient is φ = 6699285504.

The previous prime is 20112304027. The next prime is 20112304067. The reversal of 20112304032 is 23040321102.

20112304032 is a `hidden beast` number, since 20 + 11 + 230 + 403 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18280121616 + 1832182416 = 135204^2 + 42804^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 20112303996 and 20112304014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 388338 + ... + 437070.

Almost surely, 2^20112304032 is an apocalyptic number.

It is an amenable number.

20112304032 is an abundant number, since it is smaller than the sum of its proper divisors (37123147332).

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

20112304032 is a wasteful number, since it uses less digits than its factorization.

20112304032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50182 (or 50171 counting only the distinct ones).

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

Adding to 20112304032 its reverse (23040321102), we get a palindrome (43152625134).

The spelling of 20112304032 in words is "twenty billion, one hundred twelve million, three hundred four thousand, thirty-two".