20002202212222 has 16 divisors (see below), whose sum is σ = 30738314451600. Its totient is φ = 9756148557760.

The previous prime is 20002202212199. The next prime is 20002202212253. The reversal of 20002202212222 is 22221220220002.

It is a self number, because there is not a number n which added to its sum of digits gives 20002202212222.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 12003697 + ... + 13568092.

It is an arithmetic number, because the mean of its divisors is an integer number (1921144653225).

Almost surely, 2^{20002202212222} is an apocalyptic number.

20002202212222 is a deficient number, since it is larger than the sum of its proper divisors (10736112239378).

20002202212222 is a wasteful number, since it uses less digits than its factorization.

20002202212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25581371.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20002202212222 its reverse (22221220220002), we get a palindrome (42223422432224).

The spelling of 20002202212222 in words is "twenty trillion, two billion, two hundred two million, two hundred twelve thousand, two hundred twenty-two".