20002002201 has 12 divisors (see below), whose sum is σ = 28893028528. Its totient is φ = 13334092344.

The previous prime is 20002002173. The next prime is 20002002203. The reversal of 20002002201 is 10220020002.

It is not a de Polignac number, because 20002002201 - 2¹¹ = 20002000153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002002203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322926 + ... + 379848.

Almost surely, 2^20002002201 is an apocalyptic number.

It is an amenable number.

20002002201 is a deficient number, since it is larger than the sum of its proper divisors (8891026327).

20002002201 is a wasteful number, since it uses less digits than its factorization.

20002002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95972 (or 95969 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20002002201 its reverse (10220020002), we get a palindrome (30222022203).

The spelling of 20002002201 in words is "twenty billion, two million, two thousand, two hundred one".