20002222220012 has 12 divisors (see below), whose sum is σ = 35279510058240. Its totient is φ = 9922362203376.

The previous prime is 20002222219963. The next prime is 20002222220093. The reversal of 20002222220012 is 21002222220002.

It is a super-3 number, since 3×20002222220012³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19687226087 + ... + 19687227102.

It is an arithmetic number, because the mean of its divisors is an integer number (2939959171520).

Almost surely, 2^{20002222220012} is an apocalyptic number.

It is an amenable number.

20002222220012 is a deficient number, since it is larger than the sum of its proper divisors (15277287838228).

20002222220012 is a wasteful number, since it uses less digits than its factorization.

20002222220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39374453320 (or 39374453318 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20002222220012 its reverse (21002222220002), we get a palindrome (41004444440014).

The spelling of 20002222220012 in words is "twenty trillion, two billion, two hundred twenty-two million, two hundred twenty thousand, twelve".