3205306120 has 16 divisors (see below), whose sum is σ = 7211938860. Its totient is φ = 1282122432.

The previous prime is 3205306109. The next prime is 3205306187. The reversal of 3205306120 is 216035023.

It can be written as a sum of positive squares in 2 ways, for example, as 2631895204 + 573410916 = 51302^2 + 23946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3205306091 and 3205306100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40066287 + ... + 40066366.

Almost surely, 2^3205306120 is an apocalyptic number.

It is an amenable number.

3205306120 is an abundant number, since it is smaller than the sum of its proper divisors (4006632740).

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

3205306120 is a wasteful number, since it uses less digits than its factorization.

3205306120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80132664 (or 80132660 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3205306120 is about 56615.4229870271. The cubic root of 3205306120 is about 1474.4266460653.

The spelling of 3205306120 in words is "three billion, two hundred five million, three hundred six thousand, one hundred twenty".