20304233304 has 64 divisors (see below), whose sum is σ = 52711084800. Its totient is φ = 6509790336.

The previous prime is 20304233303. The next prime is 20304233351. The reversal of 20304233304 is 40333240302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304233303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127587 + ... + 238509.

It is an arithmetic number, because the mean of its divisors is an integer number (823610700).

Almost surely, 2^20304233304 is an apocalyptic number.

20304233304 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 20304233304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26355542400).

20304233304 is an abundant number, since it is smaller than the sum of its proper divisors (32406851496).

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

20304233304 is a wasteful number, since it uses less digits than its factorization.

20304233304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111224 (or 111220 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20304233304 its reverse (40333240302), we get a palindrome (60637473606).

The spelling of 20304233304 in words is "twenty billion, three hundred four million, two hundred thirty-three thousand, three hundred four".