201820182 has 8 divisors (see below), whose sum is σ = 403640376. Its totient is φ = 67273392.

The previous prime is 201820181. The next prime is 201820183. The reversal of 201820182 is 281028102.

201820182 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201820181) and next prime (201820183).

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

201820182 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201820181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16818343 + ... + 16818354.

It is an arithmetic number, because the mean of its divisors is an integer number (50455047).

Almost surely, 2^201820182 is an apocalyptic number.

201820182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201820182 is a wasteful number, since it uses less digits than its factorization.

201820182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33636702.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 201820182 is about 14206.3430199330. The cubic root of 201820182 is about 586.5722742562.

Adding to 201820182 its reverse (281028102), we get a palindrome (482848284).

The spelling of 201820182 in words is "two hundred one million, eight hundred twenty thousand, one hundred eighty-two".