220220220712 has 32 divisors (see below), whose sum is σ = 420776029800. Its totient is φ = 108013993984.

The previous prime is 220220220653. The next prime is 220220220719. The reversal of 220220220712 is 217022022022.

It can be written as a sum of positive squares in 4 ways, for example, as 217038583876 + 3181636836 = 465874^2 + 56406^2 .

It is a super-2 number, since 2×220220220712² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220220220719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611464 + ... + 2694472.

Almost surely, 2^220220220712 is an apocalyptic number.

It is an amenable number.

220220220712 is a deficient number, since it is larger than the sum of its proper divisors (200555809088).

220220220712 is a wasteful number, since it uses less digits than its factorization.

220220220712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89325 (or 89321 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

Adding to 220220220712 its reverse (217022022022), we get a palindrome (437242242734).

The spelling of 220220220712 in words is "two hundred twenty billion, two hundred twenty million, two hundred twenty thousand, seven hundred twelve".