204343411420 has 12 divisors (see below), whose sum is σ = 429121164024. Its totient is φ = 81737364560.

The previous prime is 204343411397. The next prime is 204343411499. The reversal of 204343411420 is 24114343402.

204343411420 is digitally balanced in base 2, 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5108585266 + ... + 5108585305.

It is an arithmetic number, because the mean of its divisors is an integer number (35760097002).

Almost surely, 2^204343411420 is an apocalyptic number.

204343411420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204343411420 is an abundant number, since it is smaller than the sum of its proper divisors (224777752604).

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

204343411420 is a wasteful number, since it uses less digits than its factorization.

204343411420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217170580 (or 10217170578 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 204343411420 its reverse (24114343402), we get a palindrome (228457754822).

The spelling of 204343411420 in words is "two hundred four billion, three hundred forty-three million, four hundred eleven thousand, four hundred twenty".