200200100 has 18 divisors (see below), whose sum is σ = 434434434. Its totient is φ = 80080000.

The previous prime is 200200097. The next prime is 200200123. The reversal of 200200100 is 1002002.

It can be written as a sum of positive squares in 3 ways, for example, as 3976036 + 196224064 = 1994^2 + 14008^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1000901 + ... + 1001100.

Almost surely, 2^200200100 is an apocalyptic number.

200200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200200100 is an abundant number, since it is smaller than the sum of its proper divisors (234234334).

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

200200100 is a wasteful number, since it uses less digits than its factorization.

200200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002015 (or 2002008 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 200200100 is about 14149.2084584262. The cubic root of 200200100 is about 584.9985146187.

Adding to 200200100 its reverse (1002002), we get a palindrome (201202102).

The spelling of 200200100 in words is "two hundred million, two hundred thousand, one hundred".