195810200 has 72 divisors (see below), whose sum is σ = 481340100. Its totient is φ = 73874880.

The previous prime is 195810191. The next prime is 195810221. The reversal of 195810200 is 2018591.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 195810200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 862487 + ... + 862713.

Almost surely, 2^195810200 is an apocalyptic number.

195810200 is a gapful number since it is divisible by the number (10) 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 195810200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240670050).

195810200 is an abundant number, since it is smaller than the sum of its proper divisors (285529900).

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

195810200 is a wasteful number, since it uses less digits than its factorization.

195810200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 195810200 is about 13993.2197867396. The cubic root of 195810200 is about 580.6910115194.

Adding to 195810200 its reverse (2018591), we get a palindrome (197828791).

The spelling of 195810200 in words is "one hundred ninety-five million, eight hundred ten thousand, two hundred".