206236426 has 16 divisors (see below), whose sum is σ = 338022720. Its totient is φ = 93592480.

The previous prime is 206236411. The next prime is 206236427. The reversal of 206236426 is 624632602.

It is not an unprimeable number, because it can be changed into a prime (206236427) 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, 6990 + ... + 21478.

It is an arithmetic number, because the mean of its divisors is an integer number (21126420).

Almost surely, 2^206236426 is an apocalyptic number.

206236426 is a deficient number, since it is larger than the sum of its proper divisors (131786294).

206236426 is a wasteful number, since it uses less digits than its factorization.

206236426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15149.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 206236426 is about 14360.9340225488. The cubic root of 206236426 is about 590.8199133891.

It can be divided in two parts, 206 and 236426, that added together give a palindrome (236632).

The spelling of 206236426 in words is "two hundred six million, two hundred thirty-six thousand, four hundred twenty-six".