20002202212 has 24 divisors (see below), whose sum is σ = 35310333240. Its totient is φ = 9913747200.

The previous prime is 20002202197. The next prime is 20002202239. The reversal of 20002202212 is 21220220002.

It can be written as a sum of positive squares in 4 ways, for example, as 11581203456 + 8420998756 = 107616^2 + 91766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20002202192 and 20002202201.

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, 358114 + ... + 410182.

It is an arithmetic number, because the mean of its divisors is an integer number (1471263885).

Almost surely, 2^20002202212 is an apocalyptic number.

It is an amenable number.

20002202212 is a deficient number, since it is larger than the sum of its proper divisors (15308131028).

20002202212 is a wasteful number, since it uses less digits than its factorization.

20002202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52911 (or 52909 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20002202212 its reverse (21220220002), we get a palindrome (41222422214).

The spelling of 20002202212 in words is "twenty billion, two million, two hundred two thousand, two hundred twelve".