2200020012 has 54 divisors (see below), whose sum is σ = 5813514252. Its totient is φ = 701449584.

The previous prime is 2200020007. The next prime is 2200020029. The reversal of 2200020012 is 2100200022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2200019976 and 2200020003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38718 + ... + 76805.

Almost surely, 2^2200020012 is an apocalyptic number.

It is an amenable number.

2200020012 is an abundant number, since it is smaller than the sum of its proper divisors (3613494240).

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

2200020012 is a wasteful number, since it uses less digits than its factorization.

2200020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115579 (or 115551 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2200020012 is about 46904.3709263860. The cubic root of 2200020012 is about 1300.5953903903.

Adding to 2200020012 its reverse (2100200022), we get a palindrome (4300220034).

The spelling of 2200020012 in words is "two billion, two hundred million, twenty thousand, twelve".