3300320021 has 2 divisors, whose sum is σ = 3300320022. Its totient is φ = 3300320020.

The previous prime is 3300320011. The next prime is 3300320029. The reversal of 3300320021 is 1200230033.

3300320021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3151138225 + 149181796 = 56135^2 + 12214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3300320021 - 2¹⁴ = 3300303637 is a prime.

It is a super-2 number, since 2×3300320021² = 21784224482026880882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3300319978 and 3300320005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3300320029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650160010 + 1650160011.

It is an arithmetic number, because the mean of its divisors is an integer number (1650160011).

Almost surely, 2^3300320021 is an apocalyptic number.

It is an amenable number.

3300320021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3300320021 is an equidigital number, since it uses as much as digits as its factorization.

3300320021 is an evil number, because the sum of its binary digits is even.

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

The square root of 3300320021 is about 57448.4118231305. The cubic root of 3300320021 is about 1488.8536775641.

Adding to 3300320021 its reverse (1200230033), we get a palindrome (4500550054).

The spelling of 3300320021 in words is "three billion, three hundred million, three hundred twenty thousand, twenty-one".