3321202120 has 32 divisors (see below), whose sum is σ = 7475265720. Its totient is φ = 1328025600.

The previous prime is 3321202091. The next prime is 3321202133. The reversal of 3321202120 is 212021233.

3321202120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2277007524 + 1044194596 = 47718^2 + 32314^2 .

It is a super-4 number, since 4×3321202120⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3321202094 and 3321202103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119464 + ... + 144616.

Almost surely, 2^3321202120 is an apocalyptic number.

It is an amenable number.

3321202120 is an abundant number, since it is smaller than the sum of its proper divisors (4154063600).

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

3321202120 is a wasteful number, since it uses less digits than its factorization.

3321202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28465 (or 28461 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3321202120 is about 57629.8717680336. The cubic root of 3321202120 is about 1491.9872167899.

Adding to 3321202120 its reverse (212021233), we get a palindrome (3533223353).

It can be divided in two parts, 3 and 321202120, that added together give a palindrome (321202123).

The spelling of 3321202120 in words is "three billion, three hundred twenty-one million, two hundred two thousand, one hundred twenty".