195703570920 has 512 divisors, whose sum is σ = 735149882880. Its totient is φ = 40945582080.

The previous prime is 195703570897. The next prime is 195703570957. The reversal of 195703570920 is 29075307591.

It is a self number, because there is not a number n which added to its sum of digits gives 195703570920.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 45797904 + ... + 45802176.

It is an arithmetic number, because the mean of its divisors is an integer number (1435839615).

Almost surely, 2^195703570920 is an apocalyptic number.

195703570920 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 195703570920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367574941440).

195703570920 is an abundant number, since it is smaller than the sum of its proper divisors (539446311960).

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

195703570920 is a wasteful number, since it uses less digits than its factorization.

195703570920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485 (or 4481 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 48.

The spelling of 195703570920 in words is "one hundred ninety-five billion, seven hundred three million, five hundred seventy thousand, nine hundred twenty".