205043026 has 8 divisors (see below), whose sum is σ = 307643724. Its totient is φ = 102495120.

The previous prime is 205043017. The next prime is 205043039. The reversal of 205043026 is 620340502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 190412401 + 14630625 = 13799^2 + 3825^2 .

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

It is a super-2 number, since 2×205043026² = 84085285022473352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 205042988 and 205043006.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1365 + ... + 20296.

Almost surely, 2^205043026 is an apocalyptic number.

205043026 is a deficient number, since it is larger than the sum of its proper divisors (102600698).

205043026 is a wasteful number, since it uses less digits than its factorization.

205043026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26396.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 205043026 is about 14319.3235175409. The cubic root of 205043026 is about 589.6781026809.

Adding to 205043026 its reverse (620340502), we get a palindrome (825383528).

The spelling of 205043026 in words is "two hundred five million, forty-three thousand, twenty-six".