195235920 has 360 divisors, whose sum is σ = 756389088. Its totient is φ = 46759680.

The previous prime is 195235889. The next prime is 195235921. The reversal of 195235920 is 29532591.

It is a happy number.

195235920 is a `hidden beast` number, since 19 + 52 + 3 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195235921) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2352199 + ... + 2352281.

Almost surely, 2^195235920 is an apocalyptic number.

195235920 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 195235920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378194544).

195235920 is an abundant number, since it is smaller than the sum of its proper divisors (561153168).

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

195235920 is a wasteful number, since it uses less digits than its factorization.

195235920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 195235920 is about 13972.6847813869. The cubic root of 195235920 is about 580.1227643425.

The spelling of 195235920 in words is "one hundred ninety-five million, two hundred thirty-five thousand, nine hundred twenty".