204223320 has 96 divisors (see below), whose sum is σ = 758553120. Its totient is φ = 46679040.

The previous prime is 204223291. The next prime is 204223333. The reversal of 204223320 is 23322402.

204223320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 204223293 and 204223302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38001 + ... + 43040.

It is an arithmetic number, because the mean of its divisors is an integer number (7901595).

Almost surely, 2^204223320 is an apocalyptic number.

204223320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204223320 is an abundant number, since it is smaller than the sum of its proper divisors (554329800).

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

204223320 is a wasteful number, since it uses less digits than its factorization.

204223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81065 (or 81058 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 204223320 is about 14290.6724824271. The cubic root of 204223320 is about 588.8912625723.

Adding to 204223320 its reverse (23322402), we get a palindrome (227545722).

The spelling of 204223320 in words is "two hundred four million, two hundred twenty-three thousand, three hundred twenty".