220466486773 has 16 divisors (see below), whose sum is σ = 253226660400. Its totient is φ = 190138392576.

The previous prime is 220466486753. The next prime is 220466486791. The reversal of 220466486773 is 377684664022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 20927383569 + 199539103204 = 144663^2 + 446698^2 .

It is not a de Polignac number, because 220466486773 - 2⁵ = 220466486741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220466486753) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3610548 + ... + 3671101.

It is an arithmetic number, because the mean of its divisors is an integer number (15826666275).

Almost surely, 2^220466486773 is an apocalyptic number.

It is an amenable number.

220466486773 is a deficient number, since it is larger than the sum of its proper divisors (32760173627).

220466486773 is a wasteful number, since it uses less digits than its factorization.

220466486773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281816.

The product of its (nonzero) digits is 16257024, while the sum is 55.

The spelling of 220466486773 in words is "two hundred twenty billion, four hundred sixty-six million, four hundred eighty-six thousand, seven hundred seventy-three".