205106793 has 4 divisors (see below), whose sum is σ = 273475728. Its totient is φ = 136737860.

The previous prime is 205106779. The next prime is 205106813. The reversal of 205106793 is 397601502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 205106793 - 2⁴ = 205106777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205106743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34184463 + ... + 34184468.

It is an arithmetic number, because the mean of its divisors is an integer number (68368932).

Almost surely, 2^205106793 is an apocalyptic number.

It is an amenable number.

205106793 is a deficient number, since it is larger than the sum of its proper divisors (68368935).

205106793 is an equidigital number, since it uses as much as digits as its factorization.

205106793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68368934.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 205106793 is about 14321.5499510353. The cubic root of 205106793 is about 589.7392249845.

The spelling of 205106793 in words is "two hundred five million, one hundred six thousand, seven hundred ninety-three".