20122213120222 has 16 divisors (see below), whose sum is σ = 31495759949952. Its totient is φ = 9623629859800.

The previous prime is 20122213120123. The next prime is 20122213120249. The reversal of 20122213120222 is 22202131222102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122213120193 and 20122213120202.

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, 13923393 + ... + 15300499.

It is an arithmetic number, because the mean of its divisors is an integer number (1968484996872).

Almost surely, 2^{20122213120222} is an apocalyptic number.

20122213120222 is a deficient number, since it is larger than the sum of its proper divisors (11373546829730).

20122213120222 is a wasteful number, since it uses less digits than its factorization.

20122213120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694783.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20122213120222 its reverse (22202131222102), we get a palindrome (42324344342324).

The spelling of 20122213120222 in words is "twenty trillion, one hundred twenty-two billion, two hundred thirteen million, one hundred twenty thousand, two hundred twenty-two".