201118206 has 16 divisors (see below), whose sum is σ = 402397200. Its totient is φ = 67012608.

The previous prime is 201118193. The next prime is 201118207. The reversal of 201118206 is 602811102.

201118206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201118207) 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, 14940 + ... + 25008.

It is an arithmetic number, because the mean of its divisors is an integer number (25149825).

Almost surely, 2^201118206 is an apocalyptic number.

201118206 is an abundant number, since it is smaller than the sum of its proper divisors (201278994).

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

201118206 is a wasteful number, since it uses less digits than its factorization.

201118206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13403.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 201118206 is about 14181.6150702238. The cubic root of 201118206 is about 585.8914074619.

Adding to 201118206 its reverse (602811102), we get a palindrome (803929308).

The spelling of 201118206 in words is "two hundred one million, one hundred eighteen thousand, two hundred six".