204218006 has 4 divisors (see below), whose sum is σ = 306327012. Its totient is φ = 102109002.

The previous prime is 204217969. The next prime is 204218009. The reversal of 204218006 is 600812402.

204218006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204218009) 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 as a sum of consecutive naturals, namely, 51054500 + ... + 51054503.

It is an arithmetic number, because the mean of its divisors is an integer number (76581753).

Almost surely, 2^204218006 is an apocalyptic number.

204218006 is a deficient number, since it is larger than the sum of its proper divisors (102109006).

204218006 is a wasteful number, since it uses less digits than its factorization.

204218006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102109005.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 204218006 is about 14290.4865557475. The cubic root of 204218006 is about 588.8861547728.

The spelling of 204218006 in words is "two hundred four million, two hundred eighteen thousand, six".