18183820202 has 8 divisors (see below), whose sum is σ = 27287241312. Its totient is φ = 9088073100.

The previous prime is 18183820199. The next prime is 18183820223. The reversal of 18183820202 is 20202838181.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912574 + ... + 1922057.

It is an arithmetic number, because the mean of its divisors is an integer number (3410905164).

Almost surely, 2^18183820202 is an apocalyptic number.

18183820202 is a deficient number, since it is larger than the sum of its proper divisors (9103421110).

18183820202 is a wasteful number, since it uses less digits than its factorization.

18183820202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837004.

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 18183820202 in words is "eighteen billion, one hundred eighty-three million, eight hundred twenty thousand, two hundred two".