195928520 has 16 divisors (see below), whose sum is σ = 440839260. Its totient is φ = 78371392.

The previous prime is 195928501. The next prime is 195928529. The reversal of 195928520 is 25829591.

195928520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194714116 + 1214404 = 13954^2 + 1102^2 .

It is not an unprimeable number, because it can be changed into a prime (195928529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2449067 + ... + 2449146.

Almost surely, 2^195928520 is an apocalyptic number.

195928520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195928520 is an abundant number, since it is smaller than the sum of its proper divisors (244910740).

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

195928520 is a wasteful number, since it uses less digits than its factorization.

195928520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898224 (or 4898220 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 195928520 is about 13997.4469100618. The cubic root of 195928520 is about 580.8079504840.

The spelling of 195928520 in words is "one hundred ninety-five million, nine hundred twenty-eight thousand, five hundred twenty".