330423220 has 24 divisors (see below), whose sum is σ = 734706504. Its totient is φ = 124394496.

The previous prime is 330423193. The next prime is 330423227. The reversal of 330423220 is 22324033.

It can be written as a sum of positive squares in 4 ways, for example, as 16353936 + 314069284 = 4044^2 + 17722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330423227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485577 + ... + 486256.

It is an arithmetic number, because the mean of its divisors is an integer number (30612771).

Almost surely, 2^330423220 is an apocalyptic number.

It is an amenable number.

330423220 is an abundant number, since it is smaller than the sum of its proper divisors (404283284).

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

330423220 is a wasteful number, since it uses less digits than its factorization.

330423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971859 (or 971857 counting only the distinct ones).

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

The square root of 330423220 is about 18177.5471392595. The cubic root of 330423220 is about 691.3376139047.

Adding to 330423220 its reverse (22324033), we get a palindrome (352747253).

The spelling of 330423220 in words is "three hundred thirty million, four hundred twenty-three thousand, two hundred twenty".