220516473 has 4 divisors (see below), whose sum is σ = 294021968. Its totient is φ = 147010980.

The previous prime is 220516441. The next prime is 220516501. The reversal of 220516473 is 374615022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220516473 - 2⁵ = 220516441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220516473.

It is not an unprimeable number, because it can be changed into a prime (220516873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36752743 + ... + 36752748.

It is an arithmetic number, because the mean of its divisors is an integer number (73505492).

Almost surely, 2^220516473 is an apocalyptic number.

It is an amenable number.

220516473 is a deficient number, since it is larger than the sum of its proper divisors (73505495).

220516473 is an equidigital number, since it uses as much as digits as its factorization.

220516473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73505494.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 220516473 is about 14849.7970693205. The cubic root of 220516473 is about 604.1531059681.

The spelling of 220516473 in words is "two hundred twenty million, five hundred sixteen thousand, four hundred seventy-three".