206140326 has 32 divisors (see below), whose sum is σ = 476044800. Its totient is φ = 58288896.

The previous prime is 206140321. The next prime is 206140331. The reversal of 206140326 is 623041602.

206140326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206140321) and next prime (206140331).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206140296 and 206140305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206140321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21226 + ... + 29373.

It is an arithmetic number, because the mean of its divisors is an integer number (14876400).

Almost surely, 2^206140326 is an apocalyptic number.

206140326 is an abundant number, since it is smaller than the sum of its proper divisors (269904474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206140326 is a wasteful number, since it uses less digits than its factorization.

206140326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50708.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 206140326 is about 14357.5877500366. The cubic root of 206140326 is about 590.7281310013.

Adding to 206140326 its reverse (623041602), we get a palindrome (829181928).

The spelling of 206140326 in words is "two hundred six million, one hundred forty thousand, three hundred twenty-six".