100100200 has 24 divisors (see below), whose sum is σ = 232733430. Its totient is φ = 40040000.

The previous prime is 100100197. The next prime is 100100239. The reversal of 100100200 is 2001001.

It can be written as a sum of positive squares in 3 ways, for example, as 81108036 + 18992164 = 9006^2 + 4358^2 .

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a self number, because there is not a number n which added to its sum of digits gives 100100200.

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, 250051 + ... + 250450.

Almost surely, 2^100100200 is an apocalyptic number.

100100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100200 is an abundant number, since it is smaller than the sum of its proper divisors (132633230).

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

100100200 is a wasteful number, since it uses less digits than its factorization.

100100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500517 (or 500508 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 100100200 is about 10005.0087456234. The cubic root of 100100200 is about 464.3138606774.

Adding to 100100200 its reverse (2001001), we get a palindrome (102101201).

The spelling of 100100200 in words is "one hundred million, one hundred thousand, two hundred".