204023303242320 has 640 divisors, whose sum is σ = 700941394879488. Its totient is φ = 48829169664000.

The previous prime is 204023303242261. The next prime is 204023303242321. The reversal of 204023303242320 is 23242303320402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204023303242321) 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 127 ways as a sum of consecutive naturals, for example, 48107355400 + ... + 48107359640.

Almost surely, 2^{204023303242320} is an apocalyptic number.

204023303242320 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 204023303242320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350470697439744).

204023303242320 is an abundant number, since it is smaller than the sum of its proper divisors (496918091637168).

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

204023303242320 is a wasteful number, since it uses less digits than its factorization.

204023303242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5751 (or 5745 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 204023303242320 its reverse (23242303320402), we get a palindrome (227265606562722).

The spelling of 204023303242320 in words is "two hundred four trillion, twenty-three billion, three hundred three million, two hundred forty-two thousand, three hundred twenty".