3330331220 has 48 divisors (see below), whose sum is σ = 7051070208. Its totient is φ = 1321246080.

The previous prime is 3330331181. The next prime is 3330331223. The reversal of 3330331220 is 221330333.

It is a super-2 number, since 2×3330331220² = 22182212069813376800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3330331192 and 3330331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3330331223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675067 + ... + 1677053.

It is an arithmetic number, because the mean of its divisors is an integer number (146897296).

Almost surely, 2^3330331220 is an apocalyptic number.

It is an amenable number.

3330331220 is an abundant number, since it is smaller than the sum of its proper divisors (3720738988).

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

3330331220 is a wasteful number, since it uses less digits than its factorization.

3330331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 3330331220 is about 57709.0219982976. The cubic root of 3330331220 is about 1493.3529913220.

Adding to 3330331220 its reverse (221330333), we get a palindrome (3551661553).

The spelling of 3330331220 in words is "three billion, three hundred thirty million, three hundred thirty-one thousand, two hundred twenty".