204420422 has 4 divisors (see below), whose sum is σ = 306630636. Its totient is φ = 102210210.

The previous prime is 204420421. The next prime is 204420467. The reversal of 204420422 is 224024402.

204420422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 204420394 and 204420403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204420421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105104 + ... + 51105107.

It is an arithmetic number, because the mean of its divisors is an integer number (76657659).

Almost surely, 2^204420422 is an apocalyptic number.

204420422 is a deficient number, since it is larger than the sum of its proper divisors (102210214).

204420422 is a wasteful number, since it uses less digits than its factorization.

204420422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102210213.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 204420422 is about 14297.5669958214. The cubic root of 204420422 is about 589.0806538137.

Adding to 204420422 its reverse (224024402), we get a palindrome (428444824).

The spelling of 204420422 in words is "two hundred four million, four hundred twenty thousand, four hundred twenty-two".