220323231304 has 32 divisors (see below), whose sum is σ = 458299490400. Its totient is φ = 98449515520.

The previous prime is 220323231283. The next prime is 220323231307. The reversal of 220323231304 is 403132323022.

It is not an unprimeable number, because it can be changed into a prime (220323231307) 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 7 ways as a sum of consecutive naturals, for example, 21212377 + ... + 21222760.

It is an arithmetic number, because the mean of its divisors is an integer number (14321859075).

Almost surely, 2^220323231304 is an apocalyptic number.

It is an amenable number.

220323231304 is an abundant number, since it is smaller than the sum of its proper divisors (237976259096).

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

220323231304 is a wasteful number, since it uses less digits than its factorization.

220323231304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42435213 (or 42435209 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 220323231304 its reverse (403132323022), we get a palindrome (623455554326).

The spelling of 220323231304 in words is "two hundred twenty billion, three hundred twenty-three million, two hundred thirty-one thousand, three hundred four".