20020222111222 has 16 divisors (see below), whose sum is σ = 30076807627152. Its totient is φ = 9994620065760.

The previous prime is 20020222111181. The next prime is 20020222111231. The reversal of 20020222111222 is 22211122202002.

It is a self number, because there is not a number n which added to its sum of digits gives 20020222111222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155520748 + ... + 155649424.

It is an arithmetic number, because the mean of its divisors is an integer number (1879800476697).

Almost surely, 2^{20020222111222} is an apocalyptic number.

20020222111222 is a deficient number, since it is larger than the sum of its proper divisors (10056585515930).

20020222111222 is a wasteful number, since it uses less digits than its factorization.

20020222111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248463.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20020222111222 its reverse (22211122202002), we get a palindrome (42231344313224).

The spelling of 20020222111222 in words is "twenty trillion, twenty billion, two hundred twenty-two million, one hundred eleven thousand, two hundred twenty-two".