20033012304 has 30 divisors (see below), whose sum is σ = 56064611226. Its totient is φ = 6677670720.

The previous prime is 20033012299. The next prime is 20033012323. The reversal of 20033012304 is 40321033002.

20033012304 is a `hidden beast` number, since 20 + 0 + 330 + 12 + 304 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19093712400 + 939299904 = 138180^2 + 30648^2 .

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

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 69558927 + ... + 69559214.

Almost surely, 2^20033012304 is an apocalyptic number.

20033012304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20033012304 is an abundant number, since it is smaller than the sum of its proper divisors (36031598922).

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

20033012304 is a wasteful number, since it uses less digits than its factorization.

20033012304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139118155 (or 139118146 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20033012304 its reverse (40321033002), we get a palindrome (60354045306).

The spelling of 20033012304 in words is "twenty billion, thirty-three million, twelve thousand, three hundred four".