204104230420 has 12 divisors (see below), whose sum is σ = 428618883924. Its totient is φ = 81641692160.

The previous prime is 204104230411. The next prime is 204104230439. The reversal of 204104230420 is 24032401402.

It is a happy number.

204104230420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 108764082436 + 95340147984 = 329794^2 + 308772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204104230391 and 204104230400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5102605741 + ... + 5102605780.

It is an arithmetic number, because the mean of its divisors is an integer number (35718240327).

Almost surely, 2^204104230420 is an apocalyptic number.

204104230420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204104230420 is an abundant number, since it is smaller than the sum of its proper divisors (224514653504).

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

204104230420 is a wasteful number, since it uses less digits than its factorization.

204104230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10205211530 (or 10205211528 counting only the distinct ones).

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

Adding to 204104230420 its reverse (24032401402), we get a palindrome (228136631822).

The spelling of 204104230420 in words is "two hundred four billion, one hundred four million, two hundred thirty thousand, four hundred twenty".