204303040 has 56 divisors (see below), whose sum is σ = 488381040. Its totient is φ = 81404928.

The previous prime is 204302993. The next prime is 204303061. The reversal of 204303040 is 40303402.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92671 + ... + 94849.

It is an arithmetic number, because the mean of its divisors is an integer number (8721090).

Almost surely, 2^204303040 is an apocalyptic number.

204303040 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 204303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244190520).

204303040 is an abundant number, since it is smaller than the sum of its proper divisors (284078000).

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

204303040 is a wasteful number, since it uses less digits than its factorization.

204303040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 204303040 is about 14293.4614422120. The cubic root of 204303040 is about 588.9678785438.

Adding to 204303040 its reverse (40303402), we get a palindrome (244606442).

The spelling of 204303040 in words is "two hundred four million, three hundred three thousand, forty".