206022135 has 32 divisors (see below), whose sum is σ = 362027520. Its totient is φ = 99216000.

The previous prime is 206022121. The next prime is 206022137. The reversal of 206022135 is 531220602.

It is not a de Polignac number, because 206022135 - 2¹⁸ = 205759991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206022137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20781 + ... + 29049.

It is an arithmetic number, because the mean of its divisors is an integer number (11313360).

Almost surely, 2^206022135 is an apocalyptic number.

206022135 is a deficient number, since it is larger than the sum of its proper divisors (156005385).

206022135 is a wasteful number, since it uses less digits than its factorization.

206022135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 206022135 is about 14353.4711829578. The cubic root of 206022135 is about 590.6152110021.

Adding to 206022135 its reverse (531220602), we get a palindrome (737242737).

The spelling of 206022135 in words is "two hundred six million, twenty-two thousand, one hundred thirty-five".