204300232213240 has 128 divisors (see below), whose sum is σ = 496244338790400. Its totient is φ = 75465108759040.

The previous prime is 204300232213201. The next prime is 204300232213247. The reversal of 204300232213240 is 42312232003402.

It is a junction number, because it is equal to n+sod(n) for n = 204300232213199 and 204300232213208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204300232213247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314045505 + ... + 314695375.

It is an arithmetic number, because the mean of its divisors is an integer number (3876908896800).

Almost surely, 2^{204300232213240} is an apocalyptic number.

204300232213240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204300232213240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248122169395200).

204300232213240 is an abundant number, since it is smaller than the sum of its proper divisors (291944106577160).

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

204300232213240 is a wasteful number, since it uses less digits than its factorization.

204300232213240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661717 (or 661713 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 204300232213240 its reverse (42312232003402), we get a palindrome (246612464216642).

The spelling of 204300232213240 in words is "two hundred four trillion, three hundred billion, two hundred thirty-two million, two hundred thirteen thousand, two hundred forty".