3340202021 has 6 divisors (see below), whose sum is σ = 3616905330. Its totient is φ = 3083263248.

The previous prime is 3340202017. The next prime is 3340202027. The reversal of 3340202021 is 1202020433.

It can be written as a sum of positive squares in 3 ways, for example, as 227677921 + 3112524100 = 15089^2 + 55790^2 .

It is not a de Polignac number, because 3340202021 - 2² = 3340202017 is a prime.

It is a super-2 number, since 2×3340202021² = 22313899082184968882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3340202027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9882086 + ... + 9882423.

It is an arithmetic number, because the mean of its divisors is an integer number (602817555).

Almost surely, 2^3340202021 is an apocalyptic number.

It is an amenable number.

3340202021 is a deficient number, since it is larger than the sum of its proper divisors (276703309).

3340202021 is a wasteful number, since it uses less digits than its factorization.

3340202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19764535 (or 19764522 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3340202021 is about 57794.4808870190. The cubic root of 3340202021 is about 1494.8269238831.

Adding to 3340202021 its reverse (1202020433), we get a palindrome (4542222454).

The spelling of 3340202021 in words is "three billion, three hundred forty million, two hundred two thousand, twenty-one".