204024244220221 has 8 divisors (see below), whose sum is σ = 204395317632000. Its totient is φ = 203653272360720.

The previous prime is 204024244220191. The next prime is 204024244220239. The reversal of 204024244220221 is 122022442420402.

204024244220221 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 204024244220221 - 2¹⁹ = 204024243695933 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 (204024244220821) 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, 21365725 + ... + 29403106.

It is an arithmetic number, because the mean of its divisors is an integer number (25549414704000).

Almost surely, 2^{204024244220221} is an apocalyptic number.

It is an amenable number.

204024244220221 is a deficient number, since it is larger than the sum of its proper divisors (371073411779).

204024244220221 is an equidigital number, since it uses as much as digits as its factorization.

204024244220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50776139.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 204024244220221 its reverse (122022442420402), we get a palindrome (326046686640623).

The spelling of 204024244220221 in words is "two hundred four trillion, twenty-four billion, two hundred forty-four million, two hundred twenty thousand, two hundred twenty-one".