220020332212 has 24 divisors (see below), whose sum is σ = 391881857192. Its totient is φ = 108059011200.

The previous prime is 220020332183. The next prime is 220020332221. The reversal of 220020332212 is 212233020022.

It can be written as a sum of positive squares in 4 ways, for example, as 17804632356 + 202215699856 = 133434^2 + 449684^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220020332212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436239 + ... + 793942.

Almost surely, 2^220020332212 is an apocalyptic number.

It is an amenable number.

220020332212 is a deficient number, since it is larger than the sum of its proper divisors (171861524980).

220020332212 is a wasteful number, since it uses less digits than its factorization.

220020332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230979 (or 1230977 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 220020332212 its reverse (212233020022), we get a palindrome (432253352234).

The spelling of 220020332212 in words is "two hundred twenty billion, twenty million, three hundred thirty-two thousand, two hundred twelve".