195625020 has 24 divisors (see below), whose sum is σ = 547750224. Its totient is φ = 52166656.

The previous prime is 195625009. The next prime is 195625021. The reversal of 195625020 is 20526591.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195625021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630149 + ... + 1630268.

It is an arithmetic number, because the mean of its divisors is an integer number (22822926).

Almost surely, 2^195625020 is an apocalyptic number.

195625020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195625020 is an abundant number, since it is smaller than the sum of its proper divisors (352125204).

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

195625020 is a wasteful number, since it uses less digits than its factorization.

195625020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260429 (or 3260427 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 195625020 is about 13986.6014456694. The cubic root of 195625020 is about 580.5078983525.

The spelling of 195625020 in words is "one hundred ninety-five million, six hundred twenty-five thousand, twenty".