20222211222220 has 48 divisors (see below), whose sum is σ = 48570047201088. Its totient is φ = 6928080952320.

The previous prime is 20222211222163. The next prime is 20222211222289. The reversal of 20222211222220 is 2222211222202.

It is a junction number, because it is equal to n+sod(n) for n = 20222211222191 and 20222211222200.

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 15 ways as a sum of consecutive naturals, for example, 54487417 + ... + 54857296.

It is an arithmetic number, because the mean of its divisors is an integer number (1011875983356).

Almost surely, 2^{20222211222220} is an apocalyptic number.

20222211222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222211222220 is an abundant number, since it is smaller than the sum of its proper divisors (28347835978868).

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

20222211222220 is a wasteful number, since it uses less digits than its factorization.

20222211222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109346050 (or 109346048 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20222211222220 its reverse (2222211222202), we get a palindrome (22444422444422).

The spelling of 20222211222220 in words is "twenty trillion, two hundred twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty".