205054321233 has 8 divisors (see below), whose sum is σ = 285292968768. Its totient is φ = 130759277264.

The previous prime is 205054321231. The next prime is 205054321267. The reversal of 205054321233 is 332123450502.

205054321233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 205054321233 - 2¹ = 205054321231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205054321233.

It is not an unprimeable number, because it can be changed into a prime (205054321231) 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, 1485900810 + ... + 1485900947.

It is an arithmetic number, because the mean of its divisors is an integer number (35661621096).

Almost surely, 2^205054321233 is an apocalyptic number.

205054321233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

205054321233 is a deficient number, since it is larger than the sum of its proper divisors (80238647535).

205054321233 is a wasteful number, since it uses less digits than its factorization.

205054321233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971801783.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 205054321233 its reverse (332123450502), we get a palindrome (537177771735).

The spelling of 205054321233 in words is "two hundred five billion, fifty-four million, three hundred twenty-one thousand, two hundred thirty-three".