204410221266 has 8 divisors (see below), whose sum is σ = 408820442544. Its totient is φ = 68136740420.

The previous prime is 204410221219. The next prime is 204410221313. The reversal of 204410221266 is 662122014402.

204410221266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204410221219) and next prime (204410221313).

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

204410221266 is an admirable number.

It is a Curzon 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, 17034185100 + ... + 17034185111.

It is an arithmetic number, because the mean of its divisors is an integer number (51102555318).

Almost surely, 2^204410221266 is an apocalyptic number.

204410221266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204410221266 is a wasteful number, since it uses less digits than its factorization.

204410221266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34068370216.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 204410221266 its reverse (662122014402), we get a palindrome (866532235668).

The spelling of 204410221266 in words is "two hundred four billion, four hundred ten million, two hundred twenty-one thousand, two hundred sixty-six".