22020002112 has 56 divisors (see below), whose sum is σ = 58795818400. Its totient is φ = 7272654336.

The previous prime is 22020002111. The next prime is 22020002113. The reversal of 22020002112 is 21120002022.

It is an interprime number because it is at equal distance from previous prime (22020002111) and next prime (22020002113).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020002111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505162 + ... + 547017.

Almost surely, 2^22020002112 is an apocalyptic number.

It is an amenable number.

22020002112 is an abundant number, since it is smaller than the sum of its proper divisors (36775816288).

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

22020002112 is a wasteful number, since it uses less digits than its factorization.

22020002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052303 (or 1052293 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22020002112 its reverse (21120002022), we get a palindrome (43140004134).

The spelling of 22020002112 in words is "twenty-two billion, twenty million, two thousand, one hundred twelve".