220323404 has 36 divisors (see below), whose sum is σ = 458077536. Its totient is φ = 92411424.

The previous prime is 220323377. The next prime is 220323407. The reversal of 220323404 is 404323022.

220323404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220323407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2747 + ... + 21170.

It is an arithmetic number, because the mean of its divisors is an integer number (12724376).

Almost surely, 2^220323404 is an apocalyptic number.

It is an amenable number.

220323404 is an abundant number, since it is smaller than the sum of its proper divisors (237754132).

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

220323404 is a wasteful number, since it uses less digits than its factorization.

220323404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23982 (or 23973 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 220323404 is about 14843.2949172345. The cubic root of 220323404 is about 603.9767362354.

Adding to 220323404 its reverse (404323022), we get a palindrome (624646426).

The spelling of 220323404 in words is "two hundred twenty million, three hundred twenty-three thousand, four hundred four".