20322143304 has 64 divisors (see below), whose sum is σ = 53560967040. Its totient is φ = 6412707840.

The previous prime is 20322143299. The next prime is 20322143323. The reversal of 20322143304 is 40334122302.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136227 + ... + 243314.

It is an arithmetic number, because the mean of its divisors is an integer number (836890110).

Almost surely, 2^20322143304 is an apocalyptic number.

20322143304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20322143304 is an abundant number, since it is smaller than the sum of its proper divisors (33238823736).

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

20322143304 is a wasteful number, since it uses less digits than its factorization.

20322143304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379670 (or 379666 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20322143304 its reverse (40334122302), we get a palindrome (60656265606).

The spelling of 20322143304 in words is "twenty billion, three hundred twenty-two million, one hundred forty-three thousand, three hundred four".