220330612 has 12 divisors (see below), whose sum is σ = 405872320. Its totient is φ = 104367096.

The previous prime is 220330601. The next prime is 220330619. The reversal of 220330612 is 216033022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 220330612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220330619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449468 + ... + 1449619.

Almost surely, 2^220330612 is an apocalyptic number.

It is an amenable number.

220330612 is a deficient number, since it is larger than the sum of its proper divisors (185541708).

220330612 is a wasteful number, since it uses less digits than its factorization.

220330612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899110 (or 2899108 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 220330612 is about 14843.5377184821. The cubic root of 220330612 is about 603.9833226394.

Adding to 220330612 its reverse (216033022), we get a palindrome (436363634).

The spelling of 220330612 in words is "two hundred twenty million, three hundred thirty thousand, six hundred twelve".