330212021220 has 60 divisors (see below), whose sum is σ = 1035887345724. Its totient is φ = 88056538560.

The previous prime is 330212021213. The next prime is 330212021239. The reversal of 330212021220 is 22120212033.

330212021220 is a `hidden beast` number, since 3 + 302 + 120 + 21 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35727804324 + 294484216896 = 189018^2 + 542664^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 330212021193 and 330212021202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101915671 + ... + 101918910.

Almost surely, 2^330212021220 is an apocalyptic number.

330212021220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

330212021220 is an abundant number, since it is smaller than the sum of its proper divisors (705675324504).

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

330212021220 is a wasteful number, since it uses less digits than its factorization.

330212021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203834602 (or 203834591 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 330212021220 its reverse (22120212033), we get a palindrome (352332233253).

The spelling of 330212021220 in words is "three hundred thirty billion, two hundred twelve million, twenty-one thousand, two hundred twenty".