220223320 has 32 divisors (see below), whose sum is σ = 496555920. Its totient is φ = 87902080.

The previous prime is 220223309. The next prime is 220223447. The reversal of 220223320 is 23322022.

It is a junction number, because it is equal to n+sod(n) for n = 220223294 and 220223303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14034 + ... + 25246.

Almost surely, 2^220223320 is an apocalyptic number.

220223320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220223320 is an abundant number, since it is smaller than the sum of its proper divisors (276332600).

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

220223320 is a wasteful number, since it uses less digits than its factorization.

220223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715 (or 11711 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 220223320 is about 14839.9231803942. The cubic root of 220223320 is about 603.8852683266.

Adding to 220223320 its reverse (23322022), we get a palindrome (243545342).

The spelling of 220223320 in words is "two hundred twenty million, two hundred twenty-three thousand, three hundred twenty".