20201222202212 has 24 divisors (see below), whose sum is σ = 35707680203832. Its totient is φ = 9999058784000.

The previous prime is 20201222202167. The next prime is 20201222202221. The reversal of 20201222202212 is 21220222210202.

20201222202212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4689156378916 + 15512065823296 = 2165446^2 + 3938536^2 .

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, 1247339 + ... + 6477522.

It is an arithmetic number, because the mean of its divisors is an integer number (1487820008493).

Almost surely, 2^{20201222202212} is an apocalyptic number.

It is an amenable number.

20201222202212 is a deficient number, since it is larger than the sum of its proper divisors (15506458001620).

20201222202212 is a wasteful number, since it uses less digits than its factorization.

20201222202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731439 (or 7731437 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20201222202212 its reverse (21220222210202), we get a palindrome (41421444412414).

The spelling of 20201222202212 in words is "twenty trillion, two hundred one billion, two hundred twenty-two million, two hundred two thousand, two hundred twelve".