205852207 has 8 divisors (see below), whose sum is σ = 227918592. Its totient is φ = 184344600.

The previous prime is 205852193. The next prime is 205852243. The reversal of 205852207 is 702258502.

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

It is a de Polignac number, because none of the positive numbers 2^k-205852207 is a prime.

It is a super-2 number, since 2×205852207² = 84750262253541698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205852007) 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, 138919 + ... + 140392.

It is an arithmetic number, because the mean of its divisors is an integer number (28489824).

Almost surely, 2^205852207 is an apocalyptic number.

205852207 is a deficient number, since it is larger than the sum of its proper divisors (22066385).

205852207 is a wasteful number, since it uses less digits than its factorization.

205852207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279389.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 205852207 is about 14347.5505574994. The cubic root of 205852207 is about 590.4527856276.

The spelling of 205852207 in words is "two hundred five million, eight hundred fifty-two thousand, two hundred seven".