204234320424 has 16 divisors (see below), whose sum is σ = 510585801120. Its totient is φ = 68078106800.

The previous prime is 204234320369. The next prime is 204234320453. The reversal of 204234320424 is 424023432402.

It is a junction number, because it is equal to n+sod(n) for n = 204234320391 and 204234320400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4254881652 + ... + 4254881699.

It is an arithmetic number, because the mean of its divisors is an integer number (31911612570).

Almost surely, 2^204234320424 is an apocalyptic number.

204234320424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204234320424 is an abundant number, since it is smaller than the sum of its proper divisors (306351480696).

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

204234320424 is a wasteful number, since it uses less digits than its factorization.

204234320424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509763360 (or 8509763356 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 204234320424 its reverse (424023432402), we get a palindrome (628257752826).

The spelling of 204234320424 in words is "two hundred four billion, two hundred thirty-four million, three hundred twenty thousand, four hundred twenty-four".