204004040206 has 8 divisors (see below), whose sum is σ = 306011801160. Its totient is φ = 102000106488.

The previous prime is 204004040183. The next prime is 204004040243. The reversal of 204004040206 is 602040400402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819616 + ... + 1039123.

It is an arithmetic number, because the mean of its divisors is an integer number (38251475145).

Almost surely, 2^204004040206 is an apocalyptic number.

204004040206 is a deficient number, since it is larger than the sum of its proper divisors (102007760954).

204004040206 is a wasteful number, since it uses less digits than its factorization.

204004040206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913618.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 204004040206 its reverse (602040400402), we get a palindrome (806044440608).

The spelling of 204004040206 in words is "two hundred four billion, four million, forty thousand, two hundred six".