20022220211222 has 8 divisors (see below), whose sum is σ = 30037530216672. Its totient is φ = 10009710139000.

The previous prime is 20022220211153. The next prime is 20022220211243. The reversal of 20022220211222 is 22211202222002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20022220211194 and 20022220211203.

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 3 ways as a sum of consecutive naturals, for example, 699965429 + ... + 699994032.

It is an arithmetic number, because the mean of its divisors is an integer number (3754691277084).

Almost surely, 2^{20022220211222} is an apocalyptic number.

20022220211222 is a deficient number, since it is larger than the sum of its proper divisors (10015310005450).

20022220211222 is a wasteful number, since it uses less digits than its factorization.

20022220211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399966614.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20022220211222 its reverse (22211202222002), we get a palindrome (42233422433224).

The spelling of 20022220211222 in words is "twenty trillion, twenty-two billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-two".