330003220 has 12 divisors (see below), whose sum is σ = 693006804. Its totient is φ = 132001280.

The previous prime is 330003217. The next prime is 330003221. The reversal of 330003220 is 22300033.

It can be written as a sum of positive squares in 2 ways, for example, as 104162436 + 225840784 = 10206^2 + 15028^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 330003220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330003221) 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, 8250061 + ... + 8250100.

It is an arithmetic number, because the mean of its divisors is an integer number (57750567).

Almost surely, 2^330003220 is an apocalyptic number.

It is an amenable number.

330003220 is an abundant number, since it is smaller than the sum of its proper divisors (363003584).

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

330003220 is a wasteful number, since it uses less digits than its factorization.

330003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500170 (or 16500168 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 330003220 is about 18165.9907519518. The cubic root of 330003220 is about 691.0445706264.

Adding to 330003220 its reverse (22300033), we get a palindrome (352303253).

The spelling of 330003220 in words is "three hundred thirty million, three thousand, two hundred twenty".