205150235205 has 8 divisors (see below), whose sum is σ = 328240376352. Its totient is φ = 109413458768.

The previous prime is 205150235201. The next prime is 205150235209. The reversal of 205150235205 is 502532051502.

205150235205 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 (205150235201) and next prime (205150235209).

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

It is a cyclic number.

It is not a de Polignac number, because 205150235205 - 2² = 205150235201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205150235201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6838341159 + ... + 6838341188.

It is an arithmetic number, because the mean of its divisors is an integer number (41030047044).

Almost surely, 2^205150235205 is an apocalyptic number.

It is an amenable number.

205150235205 is a deficient number, since it is larger than the sum of its proper divisors (123090141147).

205150235205 is a wasteful number, since it uses less digits than its factorization.

205150235205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13676682355.

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 205150235205 its reverse (502532051502), we get a palindrome (707682286707).

The spelling of 205150235205 in words is "two hundred five billion, one hundred fifty million, two hundred thirty-five thousand, two hundred five".