200115000 has 120 divisors (see below), whose sum is σ = 677408160. Its totient is φ = 53352000.

The previous prime is 200114963. The next prime is 200115023. The reversal of 200115000 is 511002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 42777 + ... + 47223.

It is an arithmetic number, because the mean of its divisors is an integer number (5645068).

Almost surely, 2^200115000 is an apocalyptic number.

200115000 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 200115000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338704080).

200115000 is an abundant number, since it is smaller than the sum of its proper divisors (477293160).

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

200115000 is a wasteful number, since it uses less digits than its factorization.

200115000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 200115000 is about 14146.2009034228. The cubic root of 200115000 is about 584.9156135127.

Adding to 200115000 its reverse (511002), we get a palindrome (200626002).

The spelling of 200115000 in words is "two hundred million, one hundred fifteen thousand".