220220220212 has 12 divisors (see below), whose sum is σ = 385401427236. Its totient is φ = 110105526720.

The previous prime is 220220220179. The next prime is 220220220223. The reversal of 220220220212 is 212022022022.

It can be written as a sum of positive squares in 2 ways, for example, as 211125546256 + 9094673956 = 459484^2 + 95366^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036583 + ... + 1230830.

It is an arithmetic number, because the mean of its divisors is an integer number (32116785603).

Almost surely, 2^220220220212 is an apocalyptic number.

It is an amenable number.

220220220212 is a deficient number, since it is larger than the sum of its proper divisors (165181207024).

220220220212 is a wasteful number, since it uses less digits than its factorization.

220220220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291698 (or 2291696 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220220220212 its reverse (212022022022), we get a palindrome (432242242234).

The spelling of 220220220212 in words is "two hundred twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred twelve".