3220120002 has 48 divisors (see below), whose sum is σ = 7089840576. Its totient is φ = 974292000.

The previous prime is 3220119983. The next prime is 3220120069. The reversal of 3220120002 is 2000210223.

It is a self number, because there is not a number n which added to its sum of digits gives 3220120002.

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 23 ways as a sum of consecutive naturals, for example, 524752 + ... + 530852.

It is an arithmetic number, because the mean of its divisors is an integer number (147705012).

Almost surely, 2^3220120002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220120002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3544920288).

3220120002 is an abundant number, since it is smaller than the sum of its proper divisors (3869720574).

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

3220120002 is a wasteful number, since it uses less digits than its factorization.

3220120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855 (or 6844 counting only the distinct ones).

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

The square root of 3220120002 is about 56746.1012052811. The cubic root of 3220120002 is about 1476.6945958151.

Adding to 3220120002 its reverse (2000210223), we get a palindrome (5220330225).

The spelling of 3220120002 in words is "three billion, two hundred twenty million, one hundred twenty thousand, two".