330211220 has 24 divisors (see below), whose sum is σ = 693844704. Its totient is φ = 132008096.

The previous prime is 330211201. The next prime is 330211229. The reversal of 330211220 is 22112033.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 330211195 and 330211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330211229) 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, 41699 + ... + 48981.

It is an arithmetic number, because the mean of its divisors is an integer number (28910196).

Almost surely, 2^330211220 is an apocalyptic number.

It is an amenable number.

330211220 is an abundant number, since it is smaller than the sum of its proper divisors (363633484).

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

330211220 is a wasteful number, since it uses less digits than its factorization.

330211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559 (or 9557 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 330211220 is about 18171.7148337739. The cubic root of 330211220 is about 691.1897278789.

Adding to 330211220 its reverse (22112033), we get a palindrome (352323253).

The spelling of 330211220 in words is "three hundred thirty million, two hundred eleven thousand, two hundred twenty".