204303404124340 has 24 divisors (see below), whose sum is σ = 439014756771360. Its totient is φ = 79820864866848.

The previous prime is 204303404124299. The next prime is 204303404124341. The reversal of 204303404124340 is 43421404303402.

It is a junction number, because it is equal to n+sod(n) for n = 204303404124296 and 204303404124305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204303404124341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118781048050 + ... + 118781049769.

It is an arithmetic number, because the mean of its divisors is an integer number (18292281532140).

Almost surely, 2^{204303404124340} is an apocalyptic number.

204303404124340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204303404124340 is an abundant number, since it is smaller than the sum of its proper divisors (234711352647020).

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

204303404124340 is a wasteful number, since it uses less digits than its factorization.

204303404124340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237562097871 (or 237562097869 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 204303404124340 its reverse (43421404303402), we get a palindrome (247724808427742).

The spelling of 204303404124340 in words is "two hundred four trillion, three hundred three billion, four hundred four million, one hundred twenty-four thousand, three hundred forty".