195802920 has 160 divisors (see below), whose sum is σ = 663505920. Its totient is φ = 51788160.

The previous prime is 195802907. The next prime is 195802969. The reversal of 195802920 is 29208591.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 722385 + ... + 722655.

It is an arithmetic number, because the mean of its divisors is an integer number (4146912).

Almost surely, 2^195802920 is an apocalyptic number.

195802920 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 195802920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331752960).

195802920 is an abundant number, since it is smaller than the sum of its proper divisors (467703000).

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

195802920 is a wasteful number, since it uses less digits than its factorization.

195802920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 195802920 is about 13992.9596583425. The cubic root of 195802920 is about 580.6838149536.

It can be divided in two parts, 19580 and 2920, that added together give a square (22500 = 150²).

The spelling of 195802920 in words is "one hundred ninety-five million, eight hundred two thousand, nine hundred twenty".