20022112012 has 12 divisors (see below), whose sum is σ = 40044224080. Its totient is φ = 8580905136.

The previous prime is 20022112003. The next prime is 20022112043. The reversal of 20022112012 is 21021122002.

It is a happy number.

20022112012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20022111983 and 20022112001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357537687 + ... + 357537742.

Almost surely, 2^20022112012 is an apocalyptic number.

It is an amenable number.

20022112012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20022112012 is a wasteful number, since it uses less digits than its factorization.

20022112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715075440 (or 715075438 counting only the distinct ones).

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

Adding to 20022112012 its reverse (21021122002), we get a palindrome (41043234014).

The spelling of 20022112012 in words is "twenty billion, twenty-two million, one hundred twelve thousand, twelve".