204535223050424 has 128 divisors (see below), whose sum is σ = 471793004697600. Its totient is φ = 81170656035840.

The previous prime is 204535223050393. The next prime is 204535223050429. The reversal of 204535223050424 is 424050322535402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204535223050429) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 35368802 + ... + 40743374.

It is an arithmetic number, because the mean of its divisors is an integer number (3685882849200).

Almost surely, 2^{204535223050424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204535223050424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235896502348800).

204535223050424 is an abundant number, since it is smaller than the sum of its proper divisors (267257781647176).

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

204535223050424 is a wasteful number, since it uses less digits than its factorization.

204535223050424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375413 (or 5375409 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 204535223050424 its reverse (424050322535402), we get a palindrome (628585545585826).

The spelling of 204535223050424 in words is "two hundred four trillion, five hundred thirty-five billion, two hundred twenty-three million, fifty thousand, four hundred twenty-four".