3220200021 has 16 divisors (see below), whose sum is σ = 4432057344. Its totient is φ = 2078161344.

The previous prime is 3220200019. The next prime is 3220200037. The reversal of 3220200021 is 1200020223.

It is not a de Polignac number, because 3220200021 - 2¹ = 3220200019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220200041) 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 15 ways as a sum of consecutive naturals, for example, 51765 + ... + 95498.

It is an arithmetic number, because the mean of its divisors is an integer number (277003584).

Almost surely, 2^3220200021 is an apocalyptic number.

It is an amenable number.

3220200021 is a deficient number, since it is larger than the sum of its proper divisors (1211857323).

3220200021 is a wasteful number, since it uses less digits than its factorization.

3220200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147500.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3220200021 is about 56746.8062625554. The cubic root of 3220200021 is about 1476.7068275172.

Adding to 3220200021 its reverse (1200020223), we get a palindrome (4420220244).

The spelling of 3220200021 in words is "three billion, two hundred twenty million, two hundred thousand, twenty-one".