220105273 has 8 divisors (see below), whose sum is σ = 241089480. Its totient is φ = 200014080.

The previous prime is 220105247. The next prime is 220105357. The reversal of 220105273 is 372501022.

220105273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38044224 + 182061049 = 6168^2 + 13493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220105273 - 2¹⁷ = 219974201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220105243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222738 + ... + 223723.

It is an arithmetic number, because the mean of its divisors is an integer number (30136185).

Almost surely, 2^220105273 is an apocalyptic number.

It is an amenable number.

220105273 is a deficient number, since it is larger than the sum of its proper divisors (20984207).

220105273 is a wasteful number, since it uses less digits than its factorization.

220105273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446507.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 220105273 is about 14835.9453018674. The cubic root of 220105273 is about 603.7773482004. Note that the first 3 decimals are identical.

Adding to 220105273 its reverse (372501022), we get a palindrome (592606295).

The spelling of 220105273 in words is "two hundred twenty million, one hundred five thousand, two hundred seventy-three".