195865320 has 64 divisors (see below), whose sum is σ = 671541120. Its totient is φ = 44769024.

The previous prime is 195865297. The next prime is 195865339. The reversal of 195865320 is 23568591.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115747 + ... + 117426.

It is an arithmetic number, because the mean of its divisors is an integer number (10492830).

Almost surely, 2^195865320 is an apocalyptic number.

195865320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195865320 is an abundant number, since it is smaller than the sum of its proper divisors (475675800).

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

195865320 is a wasteful number, since it uses less digits than its factorization.

195865320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233194 (or 233190 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 195865320 is about 13995.1891734267. The cubic root of 195865320 is about 580.7454940160.

The spelling of 195865320 in words is "one hundred ninety-five million, eight hundred sixty-five thousand, three hundred twenty".