220201587 has 24 divisors (see below), whose sum is σ = 330595200. Its totient is φ = 141085440.

The previous prime is 220201489. The next prime is 220201589. The reversal of 220201587 is 785102022.

It is not a de Polignac number, because 220201587 - 2¹⁹ = 219677299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220201587.

It is not an unprimeable number, because it can be changed into a prime (220201589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38923 + ... + 44219.

It is an arithmetic number, because the mean of its divisors is an integer number (13774800).

Almost surely, 2^220201587 is an apocalyptic number.

220201587 is a deficient number, since it is larger than the sum of its proper divisors (110393613).

220201587 is a wasteful number, since it uses less digits than its factorization.

220201587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483 (or 5480 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 220201587 is about 14839.1909146018. The cubic root of 220201587 is about 603.8654026280.

The spelling of 220201587 in words is "two hundred twenty million, two hundred one thousand, five hundred eighty-seven".