205022135 has 8 divisors (see below), whose sum is σ = 246439536. Its totient is φ = 163742400.

The previous prime is 205022119. The next prime is 205022137. The reversal of 205022135 is 531220502.

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

It is not a de Polignac number, because 205022135 - 2⁴ = 205022119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205022137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31109 + ... + 37118.

It is an arithmetic number, because the mean of its divisors is an integer number (30804942).

Almost surely, 2^205022135 is an apocalyptic number.

205022135 is a deficient number, since it is larger than the sum of its proper divisors (41417401).

205022135 is an equidigital number, since it uses as much as digits as its factorization.

205022135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68833.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 205022135 is about 14318.5940301414. The cubic root of 205022135 is about 589.6580753662.

Adding to 205022135 its reverse (531220502), we get a palindrome (736242637).

The spelling of 205022135 in words is "two hundred five million, twenty-two thousand, one hundred thirty-five".