204445004 has 6 divisors (see below), whose sum is σ = 357778764. Its totient is φ = 102222500.

The previous prime is 204445001. The next prime is 204445013. The reversal of 204445004 is 400544402.

204445004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204445001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555622 + ... + 25555629.

It is an arithmetic number, because the mean of its divisors is an integer number (59629794).

Almost surely, 2^204445004 is an apocalyptic number.

It is an amenable number.

204445004 is a deficient number, since it is larger than the sum of its proper divisors (153333760).

204445004 is a wasteful number, since it uses less digits than its factorization.

204445004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51111255 (or 51111253 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 204445004 is about 14298.4266267306. The cubic root of 204445004 is about 589.1042656102.

Adding to 204445004 its reverse (400544402), we get a palindrome (604989406).

The spelling of 204445004 in words is "two hundred four million, four hundred forty-five thousand, four".