220255653545 has 16 divisors (see below), whose sum is σ = 266990143248. Its totient is φ = 174416486400.

The previous prime is 220255653529. The next prime is 220255653601. The reversal of 220255653545 is 545356552022.

It can be written as a sum of positive squares in 8 ways, for example, as 18226080016 + 202029573529 = 135004^2 + 449477^2 .

It is not a de Polignac number, because 220255653545 - 2⁴ = 220255653529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220255653496 and 220255653505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2057177 + ... + 2161593.

It is an arithmetic number, because the mean of its divisors is an integer number (16686883953).

Almost surely, 2^220255653545 is an apocalyptic number.

It is an amenable number.

220255653545 is a deficient number, since it is larger than the sum of its proper divisors (46734489703).

220255653545 is a wasteful number, since it uses less digits than its factorization.

220255653545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108700.

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 220255653545 in words is "two hundred twenty billion, two hundred fifty-five million, six hundred fifty-three thousand, five hundred forty-five".