20002200221 has 8 divisors (see below), whose sum is σ = 21671331264. Its totient is φ = 18387794880.

The previous prime is 20002200203. The next prime is 20002200227. The reversal of 20002200221 is 12200220002.

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

It is a cyclic number.

It is not a de Polignac number, because 20002200221 - 2¹⁴ = 20002183837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002200227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13680665 + ... + 13682126.

It is an arithmetic number, because the mean of its divisors is an integer number (2708916408).

Almost surely, 2^20002200221 is an apocalyptic number.

It is an amenable number.

20002200221 is a deficient number, since it is larger than the sum of its proper divisors (1669131043).

20002200221 is a wasteful number, since it uses less digits than its factorization.

20002200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27362851.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20002200221 its reverse (12200220002), we get a palindrome (32202420223).

The spelling of 20002200221 in words is "twenty billion, two million, two hundred thousand, two hundred twenty-one".