205241003204001 has 4 divisors (see below), whose sum is σ = 273654670938672. Its totient is φ = 136827335469332.

The previous prime is 205241003203949. The next prime is 205241003204057. The reversal of 205241003204001 is 100402300142502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 205241003204001 - 2¹⁴ = 205241003187617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205241003200001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34206833867331 + ... + 34206833867336.

It is an arithmetic number, because the mean of its divisors is an integer number (68413667734668).

Almost surely, 2^{205241003204001} is an apocalyptic number.

It is an amenable number.

205241003204001 is a deficient number, since it is larger than the sum of its proper divisors (68413667734671).

205241003204001 is an equidigital number, since it uses as much as digits as its factorization.

205241003204001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68413667734670.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 205241003204001 its reverse (100402300142502), we get a palindrome (305643303346503).

The spelling of 205241003204001 in words is "two hundred five trillion, two hundred forty-one billion, three million, two hundred four thousand, one".