3303020021 has 16 divisors (see below), whose sum is σ = 3997378560. Its totient is φ = 2666072880.

The previous prime is 3303020011. The next prime is 3303020089. The reversal of 3303020021 is 1200203033.

It is a cyclic number.

It is not a de Polignac number, because 3303020021 - 2¹⁴ = 3303003637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3303019978 and 3303020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3303020011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52145 + ... + 96566.

It is an arithmetic number, because the mean of its divisors is an integer number (249836160).

Almost surely, 2^3303020021 is an apocalyptic number.

It is an amenable number.

3303020021 is a deficient number, since it is larger than the sum of its proper divisors (694358539).

3303020021 is a wasteful number, since it uses less digits than its factorization.

3303020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148904.

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

The square root of 3303020021 is about 57471.9063630223. The cubic root of 3303020021 is about 1489.2595785242.

Adding to 3303020021 its reverse (1200203033), we get a palindrome (4503223054).

The spelling of 3303020021 in words is "three billion, three hundred three million, twenty thousand, twenty-one".