3320121065 has 8 divisors (see below), whose sum is σ = 3984488520. Its totient is φ = 2655868032.

The previous prime is 3320121061. The next prime is 3320121067. The reversal of 3320121065 is 5601210233.

3320121065 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 624850009 + 2695271056 = 24997^2 + 51916^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3320121065 - 2² = 3320121061 is a prime.

It is a super-2 number, since 2×3320121065² = 22046407772513468450, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3320121065.

It is not an unprimeable number, because it can be changed into a prime (3320121061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60437 + ... + 101453.

It is an arithmetic number, because the mean of its divisors is an integer number (498061065).

Almost surely, 2^3320121065 is an apocalyptic number.

It is an amenable number.

3320121065 is a deficient number, since it is larger than the sum of its proper divisors (664367455).

3320121065 is a wasteful number, since it uses less digits than its factorization.

3320121065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57211.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3320121065 is about 57620.4917108488. The cubic root of 3320121065 is about 1491.8253180540.

Adding to 3320121065 its reverse (5601210233), we get a palindrome (8921331298).

The spelling of 3320121065 in words is "three billion, three hundred twenty million, one hundred twenty-one thousand, sixty-five".