200002002100 has 36 divisors (see below), whose sum is σ = 434639931264. Its totient is φ = 79883642080.

The previous prime is 200002002073. The next prime is 200002002107. The reversal of 200002002100 is 1200200002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200002002107) 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 11 ways as a sum of consecutive naturals, for example, 1395844 + ... + 1532443.

It is an arithmetic number, because the mean of its divisors is an integer number (12073331424).

Almost surely, 2^200002002100 is an apocalyptic number.

200002002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200002002100 is an abundant number, since it is smaller than the sum of its proper divisors (234637929164).

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

200002002100 is a wasteful number, since it uses less digits than its factorization.

200002002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928984 (or 2928977 counting only the distinct ones).

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

Adding to 200002002100 its reverse (1200200002), we get a palindrome (201202202102).

The spelling of 200002002100 in words is "two hundred billion, two million, two thousand, one hundred".