204709030 has 16 divisors (see below), whose sum is σ = 368639424. Its totient is φ = 81847360.

The previous prime is 204708991. The next prime is 204709033. The reversal of 204709030 is 30907402.

204709030 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 = 204708986 and 204709004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204709033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40314 + ... + 45106.

It is an arithmetic number, because the mean of its divisors is an integer number (23039964).

Almost surely, 2^204709030 is an apocalyptic number.

204709030 is a deficient number, since it is larger than the sum of its proper divisors (163930394).

204709030 is a wasteful number, since it uses less digits than its factorization.

204709030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9071.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 204709030 is about 14307.6563419730. The cubic root of 204709030 is about 589.3577517671.

The spelling of 204709030 in words is "two hundred four million, seven hundred nine thousand, thirty".