204420226 has 8 divisors (see below), whose sum is σ = 306691344. Its totient is φ = 102189780.

The previous prime is 204420197. The next prime is 204420241. The reversal of 204420226 is 622024402.

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

It is a junction number, because it is equal to n+sod(n) for n = 204420197 and 204420206.

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, 12561 + ... + 23803.

It is an arithmetic number, because the mean of its divisors is an integer number (38336418).

Almost surely, 2^204420226 is an apocalyptic number.

204420226 is a deficient number, since it is larger than the sum of its proper divisors (102271118).

204420226 is a wasteful number, since it uses less digits than its factorization.

204420226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20336.

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

The square root of 204420226 is about 14297.5601415067. The cubic root of 204420226 is about 589.0804655418.

Adding to 204420226 its reverse (622024402), we get a palindrome (826444628).

The spelling of 204420226 in words is "two hundred four million, four hundred twenty thousand, two hundred twenty-six".