201820200182 has 8 divisors (see below), whose sum is σ = 302756260656. Its totient is φ = 100901446632.

The previous prime is 201820200151. The next prime is 201820200203. The reversal of 201820200182 is 281002028102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4297538 + ... + 4344245.

It is an arithmetic number, because the mean of its divisors is an integer number (37844532582).

Almost surely, 2^201820200182 is an apocalyptic number.

201820200182 is a deficient number, since it is larger than the sum of its proper divisors (100936060474).

201820200182 is a wasteful number, since it uses less digits than its factorization.

201820200182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653462.

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 201820200182 its reverse (281002028102), we get a palindrome (482822228284).

The spelling of 201820200182 in words is "two hundred one billion, eight hundred twenty million, two hundred thousand, one hundred eighty-two".