195212620 has 24 divisors (see below), whose sum is σ = 418670784. Its totient is φ = 76423296.

The previous prime is 195212617. The next prime is 195212623. The reversal of 195212620 is 26212591.

195212620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (195212617) and next prime (195212623).

It is not an unprimeable number, because it can be changed into a prime (195212623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102897 + ... + 104776.

It is an arithmetic number, because the mean of its divisors is an integer number (17444616).

Almost surely, 2^195212620 is an apocalyptic number.

195212620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195212620 is an abundant number, since it is smaller than the sum of its proper divisors (223458164).

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

195212620 is a wasteful number, since it uses less digits than its factorization.

195212620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207729 (or 207727 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 195212620 is about 13971.8509868950. The cubic root of 195212620 is about 580.0996856007.

The spelling of 195212620 in words is "one hundred ninety-five million, two hundred twelve thousand, six hundred twenty".