205304240026 has 8 divisors (see below), whose sum is σ = 307980802080. Its totient is φ = 102643972668.

The previous prime is 205304240021. The next prime is 205304240033. The reversal of 205304240026 is 620042403502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 205304239976 and 205304240003.

It is not an unprimeable number, because it can be changed into a prime (205304240021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4042126 + ... + 4092601.

It is an arithmetic number, because the mean of its divisors is an integer number (38497600260).

Almost surely, 2^205304240026 is an apocalyptic number.

205304240026 is a deficient number, since it is larger than the sum of its proper divisors (102676562054).

205304240026 is a wasteful number, since it uses less digits than its factorization.

205304240026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147348.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 205304240026 its reverse (620042403502), we get a palindrome (825346643528).

The spelling of 205304240026 in words is "two hundred five billion, three hundred four million, two hundred forty thousand, twenty-six".