2185520201 has 8 divisors (see below), whose sum is σ = 2304588000. Its totient is φ = 2066856480.

The previous prime is 2185520189. The next prime is 2185520203. The reversal of 2185520201 is 1020255812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2185520201 - 2¹⁰ = 2185519177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2185520203) 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, 89876 + ... + 111573.

It is an arithmetic number, because the mean of its divisors is an integer number (288073500).

Almost surely, 2^2185520201 is an apocalyptic number.

It is an amenable number.

2185520201 is a deficient number, since it is larger than the sum of its proper divisors (119067799).

2185520201 is a wasteful number, since it uses less digits than its factorization.

2185520201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202039.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 2185520201 is about 46749.5476020892. The cubic root of 2185520201 is about 1297.7317846046.

The spelling of 2185520201 in words is "two billion, one hundred eighty-five million, five hundred twenty thousand, two hundred one".