204340335020 has 12 divisors (see below), whose sum is σ = 429114703584. Its totient is φ = 81736134000.

The previous prime is 204340334971. The next prime is 204340335047. The reversal of 204340335020 is 20533043402.

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, 5108508356 + ... + 5108508395.

It is an arithmetic number, because the mean of its divisors is an integer number (35759558632).

Almost surely, 2^204340335020 is an apocalyptic number.

204340335020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204340335020 is an abundant number, since it is smaller than the sum of its proper divisors (224774368564).

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

204340335020 is a wasteful number, since it uses less digits than its factorization.

204340335020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10217016760 (or 10217016758 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 204340335020 its reverse (20533043402), we get a palindrome (224873378422).

The spelling of 204340335020 in words is "two hundred four billion, three hundred forty million, three hundred thirty-five thousand, twenty".