204255321024 has 56 divisors (see below), whose sum is σ = 544370318928. Its totient is φ = 67588126720.

The previous prime is 204255321019. The next prime is 204255321073. The reversal of 204255321024 is 420123552402.

204255321024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204255320982 and 204255321000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3856287 + ... + 3908894.

Almost surely, 2^204255321024 is an apocalyptic number.

204255321024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204255321024 is an abundant number, since it is smaller than the sum of its proper divisors (340114997904).

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

204255321024 is a wasteful number, since it uses less digits than its factorization.

204255321024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7765333 (or 7765323 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 204255321024 its reverse (420123552402), we get a palindrome (624378873426).

The spelling of 204255321024 in words is "two hundred four billion, two hundred fifty-five million, three hundred twenty-one thousand, twenty-four".