200021200100 has 36 divisors (see below), whose sum is σ = 434147254464. Its totient is φ = 79989816480.

The previous prime is 200021200081. The next prime is 200021200109. The reversal of 200021200100 is 1002120002.

200021200100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (200021200109) 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, 201569 + ... + 663831.

Almost surely, 2^200021200100 is an apocalyptic number.

200021200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200021200100 is an abundant number, since it is smaller than the sum of its proper divisors (234126054364).

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

200021200100 is a wasteful number, since it uses less digits than its factorization.

200021200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466604 (or 466597 counting only the distinct ones).

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

Adding to 200021200100 its reverse (1002120002), we get a palindrome (201023320102).

The spelling of 200021200100 in words is "two hundred billion, twenty-one million, two hundred thousand, one hundred".