204120430 has 16 divisors (see below), whose sum is σ = 379269504. Its totient is φ = 79014240.

The previous prime is 204120419. The next prime is 204120463. The reversal of 204120430 is 34021402.

204120430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328917 + ... + 329536.

It is an arithmetic number, because the mean of its divisors is an integer number (23704344).

Almost surely, 2^204120430 is an apocalyptic number.

204120430 is a deficient number, since it is larger than the sum of its proper divisors (175149074).

204120430 is a wasteful number, since it uses less digits than its factorization.

204120430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658491.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 204120430 is about 14287.0721283264. The cubic root of 204120430 is about 588.7923492841.

Adding to 204120430 its reverse (34021402), we get a palindrome (238141832).

The spelling of 204120430 in words is "two hundred four million, one hundred twenty thousand, four hundred thirty".