3220002120 has 64 divisors (see below), whose sum is σ = 9818389440. Its totient is φ = 844588800.

The previous prime is 3220002089. The next prime is 3220002131. The reversal of 3220002120 is 212000223.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3220002096 and 3220002105.

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 15 ways as a sum of consecutive naturals, for example, 212626 + ... + 227265.

It is an arithmetic number, because the mean of its divisors is an integer number (153412335).

Almost surely, 2^3220002120 is an apocalyptic number.

3220002120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3220002120 is an abundant number, since it is smaller than the sum of its proper divisors (6598387320).

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

3220002120 is a wasteful number, since it uses less digits than its factorization.

3220002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439966 (or 439962 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3220002120 is about 56745.0625164868. The cubic root of 3220002120 is about 1476.6765760066.

Adding to 3220002120 its reverse (212000223), we get a palindrome (3432002343).

The spelling of 3220002120 in words is "three billion, two hundred twenty million, two thousand, one hundred twenty".