220045005055 has 12 divisors (see below), whose sum is σ = 273473298072. Its totient is φ = 169965793760.

The previous prime is 220045005031. The next prime is 220045005071. The reversal of 220045005055 is 550500540022.

It is not a de Polignac number, because 220045005055 - 2⁵ = 220045005023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26160481 + ... + 26168890.

It is an arithmetic number, because the mean of its divisors is an integer number (22789441506).

Almost surely, 2^220045005055 is an apocalyptic number.

220045005055 is a deficient number, since it is larger than the sum of its proper divisors (53428293017).

220045005055 is an equidigital number, since it uses as much as digits as its factorization.

220045005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52329434 (or 52329405 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

Adding to 220045005055 its reverse (550500540022), we get a palindrome (770545545077).

The spelling of 220045005055 in words is "two hundred twenty billion, forty-five million, five thousand, fifty-five".