20304440324 has 24 divisors (see below), whose sum is σ = 40629825600. Its totient is φ = 8697414816.

The previous prime is 20304440323. The next prime is 20304440327. The reversal of 20304440324 is 42304440302.

It is a junction number, because it is equal to n+sod(n) for n = 20304440293 and 20304440302.

It is not an unprimeable number, because it can be changed into a prime (20304440323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131462 + ... + 240605.

It is an arithmetic number, because the mean of its divisors is an integer number (1692909400).

Almost surely, 2^20304440324 is an apocalyptic number.

It is an amenable number.

20304440324 is an abundant number, since it is smaller than the sum of its proper divisors (20325385276).

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

20304440324 is a wasteful number, since it uses less digits than its factorization.

20304440324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374027 (or 374025 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20304440324 its reverse (42304440302), we get a palindrome (62608880626).

The spelling of 20304440324 in words is "twenty billion, three hundred four million, four hundred forty thousand, three hundred twenty-four".