205555020341 has 6 divisors (see below), whose sum is σ = 225940642326. Its totient is φ = 186868200200.

The previous prime is 205555020329. The next prime is 205555020343. The reversal of 205555020341 is 143020555502.

205555020341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 193116302500 + 12438717841 = 439450^2 + 111529^2 .

It is not a de Polignac number, because 205555020341 - 2³⁴ = 188375151157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205555020298 and 205555020307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205555020343) 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 5 ways as a sum of consecutive naturals, for example, 849400790 + ... + 849401031.

It is an arithmetic number, because the mean of its divisors is an integer number (37656773721).

Almost surely, 2^205555020341 is an apocalyptic number.

It is an amenable number.

205555020341 is a deficient number, since it is larger than the sum of its proper divisors (20385621985).

205555020341 is a wasteful number, since it uses less digits than its factorization.

205555020341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698801843 (or 1698801832 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 205555020341 its reverse (143020555502), we get a palindrome (348575575843).

The spelling of 205555020341 in words is "two hundred five billion, five hundred fifty-five million, twenty thousand, three hundred forty-one".