204205213 has 8 divisors (see below), whose sum is σ = 208775232. Its totient is φ = 199680096.

The previous prime is 204205193. The next prime is 204205219. The reversal of 204205213 is 312502402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204205213 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 (204205219) 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, 1945 + ... + 20302.

It is an arithmetic number, because the mean of its divisors is an integer number (26096904).

Almost surely, 2^204205213 is an apocalyptic number.

It is an amenable number.

204205213 is a deficient number, since it is larger than the sum of its proper divisors (4570019).

204205213 is a wasteful number, since it uses less digits than its factorization.

204205213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22451.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 204205213 is about 14290.0389432639. The cubic root of 204205213 is about 588.8738578195.

Adding to 204205213 its reverse (312502402), we get a palindrome (516707615).

The spelling of 204205213 in words is "two hundred four million, two hundred five thousand, two hundred thirteen".