204043034 has 16 divisors (see below), whose sum is σ = 330233568. Its totient is φ = 93994992.

The previous prime is 204043031. The next prime is 204043067. The reversal of 204043034 is 430340402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204042997 and 204043015.

It is not an unprimeable number, because it can be changed into a prime (204043031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7049 + ... + 21395.

It is an arithmetic number, because the mean of its divisors is an integer number (20639598).

Almost surely, 2^204043034 is an apocalyptic number.

204043034 is a deficient number, since it is larger than the sum of its proper divisors (126190534).

204043034 is a wasteful number, since it uses less digits than its factorization.

204043034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14909.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 204043034 is about 14284.3632689735. The cubic root of 204043034 is about 588.7179227418.

Adding to 204043034 its reverse (430340402), we get a palindrome (634383436).

The spelling of 204043034 in words is "two hundred four million, forty-three thousand, thirty-four".