20012220002222 has 16 divisors (see below), whose sum is σ = 34327218121440. Its totient is φ = 8571526900128.

The previous prime is 20012220002189. The next prime is 20012220002231. The reversal of 20012220002222 is 22220002221002.

It is a self number, because there is not a number n which added to its sum of digits gives 20012220002222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428210393 + ... + 428257124.

It is an arithmetic number, because the mean of its divisors is an integer number (2145451132590).

Almost surely, 2^{20012220002222} is an apocalyptic number.

20012220002222 is a deficient number, since it is larger than the sum of its proper divisors (14314998119218).

20012220002222 is a wasteful number, since it uses less digits than its factorization.

20012220002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856469195.

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

Adding to 20012220002222 its reverse (22220002221002), we get a palindrome (42232222223224).

The spelling of 20012220002222 in words is "twenty trillion, twelve billion, two hundred twenty million, two thousand, two hundred twenty-two".