204918030 has 24 divisors (see below), whose sum is σ = 532787112. Its totient is φ = 54644784.

The previous prime is 204918001. The next prime is 204918037. The reversal of 204918030 is 30819402.

204918030 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 = 204917985 and 204918003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204918037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1138344 + ... + 1138523.

It is an arithmetic number, because the mean of its divisors is an integer number (22199463).

Almost surely, 2^204918030 is an apocalyptic number.

204918030 is an abundant number, since it is smaller than the sum of its proper divisors (327869082).

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

204918030 is a wasteful number, since it uses less digits than its factorization.

204918030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276880 (or 2276877 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 204918030 is about 14314.9582605050. The cubic root of 204918030 is about 589.5582540355.

The spelling of 204918030 in words is "two hundred four million, nine hundred eighteen thousand, thirty".