220020111222222 has 16 divisors (see below), whose sum is σ = 440398269833040. Its totient is φ = 73280362509312.

The previous prime is 220020111222209. The next prime is 220020111222259. The reversal of 220020111222222 is 222222111020022.

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, 14918633203 + ... + 14918647950.

It is an arithmetic number, because the mean of its divisors is an integer number (27524891864565).

Almost surely, 2^{220020111222222} is an apocalyptic number.

220020111222222 is an abundant number, since it is smaller than the sum of its proper divisors (220378158610818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220020111222222 is a wasteful number, since it uses less digits than its factorization.

220020111222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29837282387.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220020111222222 its reverse (222222111020022), we get a palindrome (442242222242244).

The spelling of 220020111222222 in words is "two hundred twenty trillion, twenty billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".