201136560 has 40 divisors (see below), whose sum is σ = 623524080. Its totient is φ = 53636352.

The previous prime is 201136549. The next prime is 201136583. The reversal of 201136560 is 65631102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 201136560.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418795 + ... + 419274.

It is an arithmetic number, because the mean of its divisors is an integer number (15588102).

Almost surely, 2^201136560 is an apocalyptic number.

201136560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201136560 is an abundant number, since it is smaller than the sum of its proper divisors (422387520).

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

201136560 is a wasteful number, since it uses less digits than its factorization.

201136560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838085 (or 838079 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 201136560 is about 14182.2621608825. The cubic root of 201136560 is about 585.9092296903.

Adding to 201136560 its reverse (65631102), we get a palindrome (266767662).

The spelling of 201136560 in words is "two hundred one million, one hundred thirty-six thousand, five hundred sixty".