18201000020182 has 8 divisors (see below), whose sum is σ = 31201714320336. Its totient is φ = 7800428580072.

The previous prime is 18201000020129. The next prime is 18201000020197. The reversal of 18201000020182 is 28102000010281.

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, 650035714993 + ... + 650035715020.

It is an arithmetic number, because the mean of its divisors is an integer number (3900214290042).

Almost surely, 2^{18201000020182} is an apocalyptic number.

18201000020182 is a deficient number, since it is larger than the sum of its proper divisors (13000714300154).

18201000020182 is a wasteful number, since it uses less digits than its factorization.

18201000020182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300071430022.

The product of its (nonzero) digits is 512, while the sum is 25.

Subtracting 18201000020182 from its reverse (28102000010281), we obtain a palindrome (9900999990099).

The spelling of 18201000020182 in words is "eighteen trillion, two hundred one billion, twenty thousand, one hundred eighty-two".