3320320321 has 4 divisors (see below), whose sum is σ = 3342604500. Its totient is φ = 3298036144.

The previous prime is 3320320313. The next prime is 3320320327. The reversal of 3320320321 is 1230230233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1386519696 + 1933800625 = 37236^2 + 43975^2 .

It is a cyclic number.

It is not a de Polignac number, because 3320320321 - 2³ = 3320320313 is a prime.

It is a super-2 number, since 2×3320320321² = 22049054068091086082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3320320327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11141866 + ... + 11142163.

It is an arithmetic number, because the mean of its divisors is an integer number (835651125).

Almost surely, 2^3320320321 is an apocalyptic number.

It is an amenable number.

3320320321 is a deficient number, since it is larger than the sum of its proper divisors (22284179).

3320320321 is a wasteful number, since it uses less digits than its factorization.

3320320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22284178.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 3320320321 is about 57622.2207225650. The cubic root of 3320320321 is about 1491.8551612629.

Adding to 3320320321 its reverse (1230230233), we get a palindrome (4550550554).

The spelling of 3320320321 in words is "three billion, three hundred twenty million, three hundred twenty thousand, three hundred twenty-one".