204340123241420 has 12 divisors (see below), whose sum is σ = 429114258807024. Its totient is φ = 81736049296560.

The previous prime is 204340123241413. The next prime is 204340123241447. The reversal of 204340123241420 is 24142321043402.

It is a happy number.

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, 5108503081016 + ... + 5108503081055.

It is an arithmetic number, because the mean of its divisors is an integer number (35759521567252).

Almost surely, 2^{204340123241420} is an apocalyptic number.

204340123241420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204340123241420 is an abundant number, since it is smaller than the sum of its proper divisors (224774135565604).

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

204340123241420 is a wasteful number, since it uses less digits than its factorization.

204340123241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217006162080 (or 10217006162078 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 204340123241420 its reverse (24142321043402), we get a palindrome (228482444284822).

The spelling of 204340123241420 in words is "two hundred four trillion, three hundred forty billion, one hundred twenty-three million, two hundred forty-one thousand, four hundred twenty".