205045204401 has 12 divisors (see below), whose sum is σ = 309053641728. Its totient is φ = 130753463544.

The previous prime is 205045204379. The next prime is 205045204451. The reversal of 205045204401 is 104402540502.

205045204401 is a `hidden beast` number, since 2 + 0 + 50 + 4 + 5 + 204 + 401 = 666.

It is not a de Polignac number, because 205045204401 - 2⁹ = 205045203889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205045204451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495278065 + ... + 495278478.

It is an arithmetic number, because the mean of its divisors is an integer number (25754470144).

Almost surely, 2^205045204401 is an apocalyptic number.

It is an amenable number.

205045204401 is a deficient number, since it is larger than the sum of its proper divisors (104008437327).

205045204401 is a wasteful number, since it uses less digits than its factorization.

205045204401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990556572 (or 990556569 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 205045204401 its reverse (104402540502), we get a palindrome (309447744903).

The spelling of 205045204401 in words is "two hundred five billion, forty-five million, two hundred four thousand, four hundred one".