3203020221 has 8 divisors (see below), whose sum is σ = 4292155200. Its totient is φ = 2124616032.

The previous prime is 3203020213. The next prime is 3203020241. The reversal of 3203020221 is 1220203023.

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

It is not a de Polignac number, because 3203020221 - 2³ = 3203020213 is a prime.

It is a super-2 number, since 2×3203020221² = 20518677072269777682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3203020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3203020211) 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, 2682000 + ... + 2683193.

It is an arithmetic number, because the mean of its divisors is an integer number (536519400).

Almost surely, 2^3203020221 is an apocalyptic number.

It is an amenable number.

3203020221 is a deficient number, since it is larger than the sum of its proper divisors (1089134979).

3203020221 is a wasteful number, since it uses less digits than its factorization.

3203020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365395.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3203020221 is about 56595.2314333991. The cubic root of 3203020221 is about 1474.0760615660.

Adding to 3203020221 its reverse (1220203023), we get a palindrome (4423223244).

The spelling of 3203020221 in words is "three billion, two hundred three million, twenty thousand, two hundred twenty-one".