201135570 has 16 divisors (see below), whose sum is σ = 482725440. Its totient is φ = 53636144.

The previous prime is 201135569. The next prime is 201135581. The reversal of 201135570 is 75531102.

It is a self number, because there is not a number n which added to its sum of digits gives 201135570.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3352230 + ... + 3352289.

It is an arithmetic number, because the mean of its divisors is an integer number (30170340).

Almost surely, 2^201135570 is an apocalyptic number.

201135570 is an abundant number, since it is smaller than the sum of its proper divisors (281589870).

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

201135570 is a wasteful number, since it uses less digits than its factorization.

201135570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6704529.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 201135570 is about 14182.2272580861. The cubic root of 201135570 is about 585.9082684013.

Adding to 201135570 its reverse (75531102), we get a palindrome (276666672).

The spelling of 201135570 in words is "two hundred one million, one hundred thirty-five thousand, five hundred seventy".