205201004055 has 32 divisors (see below), whose sum is σ = 360627863040. Its totient is φ = 99172656000.

The previous prime is 205201004053. The next prime is 205201004059. The reversal of 205201004055 is 550400102502.

It is a happy number.

It is not a de Polignac number, because 205201004055 - 2¹ = 205201004053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205201004053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15645696 + ... + 15658805.

It is an arithmetic number, because the mean of its divisors is an integer number (11269620720).

Almost surely, 2^205201004055 is an apocalyptic number.

205201004055 is a deficient number, since it is larger than the sum of its proper divisors (155426858985).

205201004055 is a wasteful number, since it uses less digits than its factorization.

205201004055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31304551.

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 205201004055 its reverse (550400102502), we get a palindrome (755601106557).

The spelling of 205201004055 in words is "two hundred five billion, two hundred one million, four thousand, fifty-five".