20100002200 has 24 divisors (see below), whose sum is σ = 46732505580. Its totient is φ = 8040000800.

The previous prime is 20100002189. The next prime is 20100002201. The reversal of 20100002200 is 220000102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100002201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50249806 + ... + 50250205.

Almost surely, 2^20100002200 is an apocalyptic number.

20100002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100002200 is an abundant number, since it is smaller than the sum of its proper divisors (26632503380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20100002200 is a wasteful number, since it uses less digits than its factorization.

20100002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100500027 (or 100500018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20100002200 its reverse (220000102), we get a palindrome (20320002302).

The spelling of 20100002200 in words is "twenty billion, one hundred million, two thousand, two hundred".