195235520 has 56 divisors (see below), whose sum is σ = 479925888. Its totient is φ = 75571200.

The previous prime is 195235433. The next prime is 195235529. The reversal of 195235520 is 25532591.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (195235529) 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, 80 + ... + 19760.

Almost surely, 2^195235520 is an apocalyptic number.

195235520 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 195235520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239962944).

195235520 is an abundant number, since it is smaller than the sum of its proper divisors (284690368).

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

195235520 is a wasteful number, since it uses less digits than its factorization.

195235520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19729 (or 19719 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 195235520 is about 13972.6704677381. The cubic root of 195235520 is about 580.1223681564.

The spelling of 195235520 in words is "one hundred ninety-five million, two hundred thirty-five thousand, five hundred twenty".