204420204 has 18 divisors (see below), whose sum is σ = 516728940. Its totient is φ = 68140056.

The previous prime is 204420197. The next prime is 204420241. The reversal of 204420204 is 402024402.

204420204 is a `hidden beast` number, since 20 + 442 + 0 + 204 = 666.

204420204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2839134 + ... + 2839205.

Almost surely, 2^204420204 is an apocalyptic number.

It is an amenable number.

204420204 is an abundant number, since it is smaller than the sum of its proper divisors (312308736).

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

204420204 is a wasteful number, since it uses less digits than its factorization.

204420204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678349 (or 5678344 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 204420204 is about 14297.5593721446. The cubic root of 204420204 is about 589.0804444092.

Adding to 204420204 its reverse (402024402), we get a palindrome (606444606).

The spelling of 204420204 in words is "two hundred four million, four hundred twenty thousand, two hundred four".