205223204022055 has 32 divisors (see below), whose sum is σ = 250109254407168. Its totient is φ = 161636752713600.

The previous prime is 205223204022047. The next prime is 205223204022071. The reversal of 205223204022055 is 550220402322502.

It is not a de Polignac number, because 205223204022055 - 2³ = 205223204022047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205223204022055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1704012690 + ... + 1704133120.

It is an arithmetic number, because the mean of its divisors is an integer number (7815914200224).

Almost surely, 2^{205223204022055} is an apocalyptic number.

205223204022055 is a deficient number, since it is larger than the sum of its proper divisors (44886050385113).

205223204022055 is a wasteful number, since it uses less digits than its factorization.

205223204022055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140247.

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 205223204022055 its reverse (550220402322502), we get a palindrome (755443606344557).

The spelling of 205223204022055 in words is "two hundred five trillion, two hundred twenty-three billion, two hundred four million, twenty-two thousand, fifty-five".