220388273 has 8 divisors (see below), whose sum is σ = 252297600. Its totient is φ = 188585280.

The previous prime is 220388251. The next prime is 220388281. The reversal of 220388273 is 372883022.

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 220388273 - 2¹⁸ = 220126129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220388213) 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, 22088 + ... + 30473.

It is an arithmetic number, because the mean of its divisors is an integer number (31537200).

Almost surely, 2^220388273 is an apocalyptic number.

It is an amenable number.

220388273 is a deficient number, since it is larger than the sum of its proper divisors (31909327).

220388273 is an equidigital number, since it uses as much as digits as its factorization.

220388273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53167.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 220388273 is about 14845.4798844631. The cubic root of 220388273 is about 604.0360059599.

The spelling of 220388273 in words is "two hundred twenty million, three hundred eighty-eight thousand, two hundred seventy-three".