204783012 has 96 divisors (see below), whose sum is σ = 623248640. Its totient is φ = 56920320.

The previous prime is 204783011. The next prime is 204783077. The reversal of 204783012 is 210387402.

204783012 is digitally balanced in base 2, 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 (27).

It is not an unprimeable number, because it can be changed into a prime (204783011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24312 + ... + 31632.

Almost surely, 2^204783012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204783012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311624320).

204783012 is an abundant number, since it is smaller than the sum of its proper divisors (418465628).

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

204783012 is a wasteful number, since it uses less digits than its factorization.

204783012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378 (or 7370 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 204783012 is about 14310.2415073960. The cubic root of 204783012 is about 589.4287413300.

The spelling of 204783012 in words is "two hundred four million, seven hundred eighty-three thousand, twelve".