220630773 has 8 divisors (see below), whose sum is σ = 320917536. Its totient is φ = 133715600.

The previous prime is 220630759. The next prime is 220630783. The reversal of 220630773 is 377036022.

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 220630773 - 2¹⁰ = 220629749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220630773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220630723) 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, 3342858 + ... + 3342923.

It is an arithmetic number, because the mean of its divisors is an integer number (40114692).

Almost surely, 2^220630773 is an apocalyptic number.

It is an amenable number.

220630773 is a deficient number, since it is larger than the sum of its proper divisors (100286763).

220630773 is a wasteful number, since it uses less digits than its factorization.

220630773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685795.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 220630773 is about 14853.6451081881. The cubic root of 220630773 is about 604.2574712210.

Adding to 220630773 its reverse (377036022), we get a palindrome (597666795).

The spelling of 220630773 in words is "two hundred twenty million, six hundred thirty thousand, seven hundred seventy-three".