204421204241224 has 64 divisors (see below), whose sum is σ = 413608190371200. Its totient is φ = 94356974459904.

The previous prime is 204421204241213. The next prime is 204421204241227. The reversal of 204421204241224 is 422142402124402.

204421204241224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 204421204241224.

It is not an unprimeable number, because it can be changed into a prime (204421204241227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22067967 + ... + 29930545.

It is an arithmetic number, because the mean of its divisors is an integer number (6462627974550).

Almost surely, 2^{204421204241224} is an apocalyptic number.

It is an amenable number.

204421204241224 is an abundant number, since it is smaller than the sum of its proper divisors (209186986129976).

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

204421204241224 is a wasteful number, since it uses less digits than its factorization.

204421204241224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7866262 (or 7866258 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 34.

Adding to 204421204241224 its reverse (422142402124402), we get a palindrome (626563606365626).

The spelling of 204421204241224 in words is "two hundred four trillion, four hundred twenty-one billion, two hundred four million, two hundred forty-one thousand, two hundred twenty-four".