204218213 has 8 divisors (see below), whose sum is σ = 215214720. Its totient is φ = 193246560.

The previous prime is 204218197. The next prime is 204218237. The reversal of 204218213 is 312812402.

It is a happy number.

204218213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 204218213 - 2⁴ = 204218197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204218513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12068 + ... + 23538.

It is an arithmetic number, because the mean of its divisors is an integer number (26901840).

Almost surely, 2^204218213 is an apocalyptic number.

It is an amenable number.

204218213 is a deficient number, since it is larger than the sum of its proper divisors (10996507).

204218213 is a wasteful number, since it uses less digits than its factorization.

204218213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12427.

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

The square root of 204218213 is about 14290.4937983262. The cubic root of 204218213 is about 588.8863537422.

The spelling of 204218213 in words is "two hundred four million, two hundred eighteen thousand, two hundred thirteen".