201900265 has 16 divisors (see below), whose sum is σ = 283333248. Its totient is φ = 135225216.

The previous prime is 201900263. The next prime is 201900299. The reversal of 201900265 is 562009102.

It is not a de Polignac number, because 201900265 - 2¹ = 201900263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201900263) 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, 65572 + ... + 68581.

It is an arithmetic number, because the mean of its divisors is an integer number (17708328).

Almost surely, 2^201900265 is an apocalyptic number.

It is an amenable number.

201900265 is a deficient number, since it is larger than the sum of its proper divisors (81432983).

201900265 is a wasteful number, since it uses less digits than its factorization.

201900265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134208.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 201900265 is about 14209.1613052988. The cubic root of 201900265 is about 586.6498486843.

Adding to 201900265 its reverse (562009102), we get a palindrome (763909367).

The spelling of 201900265 in words is "two hundred one million, nine hundred thousand, two hundred sixty-five".