20322332304 has 80 divisors (see below), whose sum is σ = 55993612608. Its totient is φ = 6329061376.

The previous prime is 20322332293. The next prime is 20322332309. The reversal of 20322332304 is 40323322302.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20322332309) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20899 + ... + 202685.

Almost surely, 2^20322332304 is an apocalyptic number.

20322332304 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 20322332304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27996806304).

20322332304 is an abundant number, since it is smaller than the sum of its proper divisors (35671280304).

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

20322332304 is a wasteful number, since it uses less digits than its factorization.

20322332304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181952 (or 181946 counting only the distinct ones).

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

Adding to 20322332304 its reverse (40323322302), we get a palindrome (60645654606).

The spelling of 20322332304 in words is "twenty billion, three hundred twenty-two million, three hundred thirty-two thousand, three hundred four".