3343320021 has 8 divisors (see below), whose sum is σ = 4463427424. Its totient is φ = 2226046320.

The previous prime is 3343319999. The next prime is 3343320077. The reversal of 3343320021 is 1200233433.

3343320021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3343320021 - 2⁹ = 3343319509 is a prime.

It is a super-2 number, since 2×3343320021² = 22355577525638880882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3343320021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3343320121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705670 + ... + 710391.

It is an arithmetic number, because the mean of its divisors is an integer number (557928428).

Almost surely, 2^3343320021 is an apocalyptic number.

It is an amenable number.

3343320021 is a deficient number, since it is larger than the sum of its proper divisors (1120107403).

3343320021 is a wasteful number, since it uses less digits than its factorization.

3343320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416851.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 3343320021 is about 57821.4494889224. The cubic root of 3343320021 is about 1495.2919078172.

Adding to 3343320021 its reverse (1200233433), we get a palindrome (4543553454).

The spelling of 3343320021 in words is "three billion, three hundred forty-three million, three hundred twenty thousand, twenty-one".