3330204021 has 6 divisors (see below), whose sum is σ = 4810294710. Its totient is φ = 2220136008.

The previous prime is 3330204019. The next prime is 3330204037. The reversal of 3330204021 is 1204020333.

It can be written as a sum of positive squares in only one way, i.e., 3236016996 + 94187025 = 56886^2 + 9705^2 .

It is not a de Polignac number, because 3330204021 - 2¹ = 3330204019 is a prime.

It is a super-2 number, since 2×3330204021² = 22180517642969136882, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3330203985 and 3330204003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3330204011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185011326 + ... + 185011343.

It is an arithmetic number, because the mean of its divisors is an integer number (801715785).

Almost surely, 2^3330204021 is an apocalyptic number.

It is an amenable number.

3330204021 is a deficient number, since it is larger than the sum of its proper divisors (1480090689).

3330204021 is a wasteful number, since it uses less digits than its factorization.

3330204021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370022675 (or 370022672 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3330204021 is about 57707.9199157273. The cubic root of 3330204021 is about 1493.3339786560. Note that the first 3 decimals are identical.

Adding to 3330204021 its reverse (1204020333), we get a palindrome (4534224354).

The spelling of 3330204021 in words is "three billion, three hundred thirty million, two hundred four thousand, twenty-one".