20022011212 has 24 divisors (see below), whose sum is σ = 40700485280. Its totient is φ = 8440191360.

The previous prime is 20022011201. The next prime is 20022011227. The reversal of 20022011212 is 21211022002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20022011192 and 20022011201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5859537 + ... + 5862952.

Almost surely, 2^20022011212 is an apocalyptic number.

It is an amenable number.

20022011212 is an abundant number, since it is smaller than the sum of its proper divisors (20678474068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022011212 is a wasteful number, since it uses less digits than its factorization.

20022011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722561 (or 11722559 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20022011212 its reverse (21211022002), we get a palindrome (41233033214).

The spelling of 20022011212 in words is "twenty billion, twenty-two million, eleven thousand, two hundred twelve".