204223040 has 224 divisors, whose sum is σ = 610965504. Its totient is φ = 63406080.

The previous prime is 204223027. The next prime is 204223073. The reversal of 204223040 is 40322402.

204223040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1180394 + ... + 1180566.

Almost surely, 2^204223040 is an apocalyptic number.

204223040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305482752).

204223040 is an abundant number, since it is smaller than the sum of its proper divisors (406742464).

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

204223040 is a wasteful number, since it uses less digits than its factorization.

204223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 204223040 is about 14290.6626858239. The cubic root of 204223040 is about 588.8909934395.

Adding to 204223040 its reverse (40322402), we get a palindrome (244545442).

The spelling of 204223040 in words is "two hundred four million, two hundred twenty-three thousand, forty".