3300020321 has 4 divisors (see below), whose sum is σ = 3553868052. Its totient is φ = 3046172592.

The previous prime is 3300020293. The next prime is 3300020359. The reversal of 3300020321 is 1230200033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1230200033 = 157 ⋅7835669.

It can be written as a sum of positive squares in 2 ways, for example, as 1945780321 + 1354240000 = 44111^2 + 36800^2 .

It is a cyclic number.

It is not a de Polignac number, because 3300020321 - 2¹⁴ = 3300003937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3300020296 and 3300020305.

It is not an unprimeable number, because it can be changed into a prime (3300020221) 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, 126923846 + ... + 126923871.

It is an arithmetic number, because the mean of its divisors is an integer number (888467013).

Almost surely, 2^3300020321 is an apocalyptic number.

It is an amenable number.

3300020321 is a deficient number, since it is larger than the sum of its proper divisors (253847731).

3300020321 is a wasteful number, since it uses less digits than its factorization.

3300020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253847730.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3300020321 is about 57445.8033367103. The cubic root of 3300020321 is about 1488.8086089089.

Adding to 3300020321 its reverse (1230200033), we get a palindrome (4530220354).

The spelling of 3300020321 in words is "three billion, three hundred million, twenty thousand, three hundred twenty-one".