220313066 has 4 divisors (see below), whose sum is σ = 330469602. Its totient is φ = 110156532.

The previous prime is 220313057. The next prime is 220313083. The reversal of 220313066 is 660313022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660313022 = 2 ⋅330156511.

It can be written as a sum of positive squares in only one way, i.e., 128709025 + 91604041 = 11345^2 + 9571^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55078265 + ... + 55078268.

Almost surely, 2^220313066 is an apocalyptic number.

220313066 is a deficient number, since it is larger than the sum of its proper divisors (110156536).

220313066 is a wasteful number, since it uses less digits than its factorization.

220313066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110156535.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 220313066 is about 14842.9466751046. The cubic root of 220313066 is about 603.9672895023.

Adding to 220313066 its reverse (660313022), we get a palindrome (880626088).

The spelling of 220313066 in words is "two hundred twenty million, three hundred thirteen thousand, sixty-six".