205152025426 has 8 divisors (see below), whose sum is σ = 307743372720. Its totient is φ = 102570901188.

The previous prime is 205152025381. The next prime is 205152025427. The reversal of 205152025426 is 624520251502.

205152025426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 205152025391 and 205152025400.

It is not an unprimeable number, because it can be changed into a prime (205152025427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505396 + ... + 2585983.

It is an arithmetic number, because the mean of its divisors is an integer number (38467921590).

Almost surely, 2^205152025426 is an apocalyptic number.

205152025426 is a deficient number, since it is larger than the sum of its proper divisors (102591347294).

205152025426 is a wasteful number, since it uses less digits than its factorization.

205152025426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111528.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 205152025426 its reverse (624520251502), we get a palindrome (829672276928).

The spelling of 205152025426 in words is "two hundred five billion, one hundred fifty-two million, twenty-five thousand, four hundred twenty-six".