204787030 has 32 divisors (see below), whose sum is σ = 422337600. Its totient is φ = 70035840.

The previous prime is 204787021. The next prime is 204787031. The reversal of 204787030 is 30787402.

204787030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204786983 and 204787001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204787031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25996 + ... + 32944.

It is an arithmetic number, because the mean of its divisors is an integer number (13198050).

Almost surely, 2^204787030 is an apocalyptic number.

204787030 is an abundant number, since it is smaller than the sum of its proper divisors (217550570).

204787030 is a wasteful number, since it uses less digits than its factorization.

204787030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 204787030 is about 14310.3818956728. The cubic root of 204787030 is about 589.4325963196.

The spelling of 204787030 in words is "two hundred four million, seven hundred eighty-seven thousand, thirty".