22020332212 has 12 divisors (see below), whose sum is σ = 38540287296. Its totient is φ = 11008821560.

The previous prime is 22020332153. The next prime is 22020332219. The reversal of 22020332212 is 21223302022.

It is a self number, because there is not a number n which added to its sum of digits gives 22020332212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020332219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298828 + ... + 365155.

It is an arithmetic number, because the mean of its divisors is an integer number (3211690608).

Almost surely, 2^22020332212 is an apocalyptic number.

It is an amenable number.

22020332212 is a deficient number, since it is larger than the sum of its proper divisors (16519955084).

22020332212 is a wasteful number, since it uses less digits than its factorization.

22020332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672278 (or 672276 counting only the distinct ones).

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

Adding to 22020332212 its reverse (21223302022), we get a palindrome (43243634234).

The spelling of 22020332212 in words is "twenty-two billion, twenty million, three hundred thirty-two thousand, two hundred twelve".