330243220 has 24 divisors (see below), whose sum is σ = 697934664. Its totient is φ = 131254656.

The previous prime is 330243211. The next prime is 330243227. The reversal of 330243220 is 22342033.

It can be written as a sum of positive squares in 4 ways, for example, as 1473796 + 328769424 = 1214^2 + 18132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330243227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49447 + ... + 55726.

It is an arithmetic number, because the mean of its divisors is an integer number (29080611).

Almost surely, 2^330243220 is an apocalyptic number.

It is an amenable number.

330243220 is an abundant number, since it is smaller than the sum of its proper divisors (367691444).

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

330243220 is a wasteful number, since it uses less digits than its factorization.

330243220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105339 (or 105337 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 330243220 is about 18172.5953017174. The cubic root of 330243220 is about 691.2120543531.

Adding to 330243220 its reverse (22342033), we get a palindrome (352585253).

The spelling of 330243220 in words is "three hundred thirty million, two hundred forty-three thousand, two hundred twenty".