20002220122012 has 12 divisors (see below), whose sum is σ = 35526331261960. Its totient is φ = 9851839761456.

The previous prime is 20002220122009. The next prime is 20002220122039. The reversal of 20002220122012 is 21022102220002.

It is a congruent number.

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, 37317574587 + ... + 37317575122.

Almost surely, 2^{20002220122012} is an apocalyptic number.

It is an amenable number.

20002220122012 is a deficient number, since it is larger than the sum of its proper divisors (15524111139948).

20002220122012 is a wasteful number, since it uses less digits than its factorization.

20002220122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74635149780 (or 74635149778 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20002220122012 its reverse (21022102220002), we get a palindrome (41024322342014).

The spelling of 20002220122012 in words is "twenty trillion, two billion, two hundred twenty million, one hundred twenty-two thousand, twelve".