20022021202222 has 24 divisors (see below), whose sum is σ = 33314169808080. Its totient is φ = 9015544249920.

The previous prime is 20022021202163. The next prime is 20022021202231. The reversal of 20022021202222 is 22220212022002.

It is a self number, because there is not a number n which added to its sum of digits gives 20022021202222.

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 11 ways as a sum of consecutive naturals, for example, 722385522 + ... + 722413237.

It is an arithmetic number, because the mean of its divisors is an integer number (1388090408670).

Almost surely, 2^{20022021202222} is an apocalyptic number.

20022021202222 is a deficient number, since it is larger than the sum of its proper divisors (13292148605858).

20022021202222 is a wasteful number, since it uses less digits than its factorization.

20022021202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444798828 (or 1444798815 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20022021202222 its reverse (22220212022002), we get a palindrome (42242233224224).

The spelling of 20022021202222 in words is "twenty trillion, twenty-two billion, twenty-one million, two hundred two thousand, two hundred twenty-two".