18100204 has 12 divisors (see below), whose sum is σ = 32109784. Its totient is φ = 8925984.

The previous prime is 18100193. The next prime is 18100207. The reversal of 18100204 is 40200181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18100207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30702 + ... + 31285.

Almost surely, 2^18100204 is an apocalyptic number.

It is an amenable number.

18100204 is a deficient number, since it is larger than the sum of its proper divisors (14009580).

18100204 is a wasteful number, since it uses less digits than its factorization.

18100204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62064 (or 62062 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 18100204 is about 4254.4334522942. The cubic root of 18100204 is about 262.5595523238.

Adding to 18100204 its reverse (40200181), we get a palindrome (58300385).

The spelling of 18100204 in words is "eighteen million, one hundred thousand, two hundred four".