200100 has 72 divisors (see below), whose sum is σ = 624960. Its totient is φ = 49280.

The previous prime is 200087. The next prime is 200117. The reversal of 200100 is 1002.

200100 is nontrivially palindromic in base 9.

It is a Harshad number since it is a multiple of its sum of digits (3).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a zygodrome in base 9.

It is an unprimeable number.

200100 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6886 + ... + 6914.

It is an arithmetic number, because the mean of its divisors is an integer number (8680).

2²⁰⁰¹⁰⁰ is an apocalyptic number.

200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312480).

200100 is an abundant number, since it is smaller than the sum of its proper divisors (424860).

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

200100 is a wasteful number, since it uses less digits than its factorization.

200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 3.

The square root of 200100 is about 447.3253849269. The cubic root of 200100 is about 58.4900998660.

Adding to 200100 its reverse (1002), we get a palindrome (201102).

It can be divided in two parts, 200 and 100, that added together give a triangular number (300 = T₂₄).

The spelling of 200100 in words is "two hundred thousand, one hundred", and thus it is an iban number.