220332220 has 12 divisors (see below), whose sum is σ = 462697704. Its totient is φ = 88132880.

The previous prime is 220332209. The next prime is 220332239. The reversal of 220332220 is 22233022.

220332220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220332194 and 220332203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5508286 + ... + 5508325.

It is an arithmetic number, because the mean of its divisors is an integer number (38558142).

Almost surely, 2^220332220 is an apocalyptic number.

220332220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220332220 is an abundant number, since it is smaller than the sum of its proper divisors (242365484).

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

220332220 is a wasteful number, since it uses less digits than its factorization.

220332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016620 (or 11016618 counting only the distinct ones).

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

The square root of 220332220 is about 14843.5918833684. The cubic root of 220332220 is about 603.9847919508.

Adding to 220332220 its reverse (22233022), we get a palindrome (242565242).

The spelling of 220332220 in words is "two hundred twenty million, three hundred thirty-two thousand, two hundred twenty".