195252020201 has 16 divisors (see below), whose sum is σ = 236329695360. Its totient is φ = 157475339520.

The previous prime is 195252020189. The next prime is 195252020209. The reversal of 195252020201 is 102020252591.

It is a cyclic number.

It is not a de Polignac number, because 195252020201 - 2⁶ = 195252020137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (195252020209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286295 + ... + 687363.

It is an arithmetic number, because the mean of its divisors is an integer number (14770605960).

Almost surely, 2^195252020201 is an apocalyptic number.

It is an amenable number.

195252020201 is a deficient number, since it is larger than the sum of its proper divisors (41077675159).

195252020201 is a wasteful number, since it uses less digits than its factorization.

195252020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405184.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 195252020201 its reverse (102020252591), we get a palindrome (297272272792).

The spelling of 195252020201 in words is "one hundred ninety-five billion, two hundred fifty-two million, twenty thousand, two hundred one".