204203321322 has 128 divisors (see below), whose sum is σ = 556535605248. Its totient is φ = 48228998400.

The previous prime is 204203321269. The next prime is 204203321327. The reversal of 204203321322 is 223123302402.

204203321322 is digitally balanced in base 3, 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 = 204203321292 and 204203321301.

It is not an unprimeable number, because it can be changed into a prime (204203321327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148672 + ... + 656132.

It is an arithmetic number, because the mean of its divisors is an integer number (4347934416).

Almost surely, 2^204203321322 is an apocalyptic number.

204203321322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 204203321322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278267802624).

204203321322 is an abundant number, since it is smaller than the sum of its proper divisors (352332283926).

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

204203321322 is a wasteful number, since it uses less digits than its factorization.

204203321322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507564.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 204203321322 its reverse (223123302402), we get a palindrome (427326623724).

It can be divided in two parts, 204203 and 321322, that added together give a palindrome (525525).

The spelling of 204203321322 in words is "two hundred four billion, two hundred three million, three hundred twenty-one thousand, three hundred twenty-two".