195541620 has 48 divisors (see below), whose sum is σ = 559173888. Its totient is φ = 51034240.

The previous prime is 195541613. The next prime is 195541631. The reversal of 195541620 is 26145591.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31851 + ... + 37490.

It is an arithmetic number, because the mean of its divisors is an integer number (11649456).

Almost surely, 2^195541620 is an apocalyptic number.

195541620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195541620 is an abundant number, since it is smaller than the sum of its proper divisors (363632268).

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

195541620 is a wasteful number, since it uses less digits than its factorization.

195541620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69400 (or 69398 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 195541620 is about 13983.6197030669. The cubic root of 195541620 is about 580.4253914549.

The spelling of 195541620 in words is "one hundred ninety-five million, five hundred forty-one thousand, six hundred twenty".