195329980 has 24 divisors (see below), whose sum is σ = 412812288. Its totient is φ = 77633088.

The previous prime is 195329971. The next prime is 195329987. The reversal of 195329980 is 89923591.

It is a self number, because there is not a number n which added to its sum of digits gives 195329980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195329987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27964 + ... + 34243.

It is an arithmetic number, because the mean of its divisors is an integer number (17200512).

Almost surely, 2^195329980 is an apocalyptic number.

195329980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195329980 is an abundant number, since it is smaller than the sum of its proper divisors (217482308).

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

195329980 is a wasteful number, since it uses less digits than its factorization.

195329980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62373 (or 62371 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 195329980 is about 13976.0502288737. The cubic root of 195329980 is about 580.2159124795.

The spelling of 195329980 in words is "one hundred ninety-five million, three hundred twenty-nine thousand, nine hundred eighty".