20001102222022 has 16 divisors (see below), whose sum is σ = 30665669694912. Its totient is φ = 9779569036480.

The previous prime is 20001102222011. The next prime is 20001102222041. The reversal of 20001102222022 is 22022220110002.

It is a junction number, because it is equal to n+sod(n) for n = 20001102221987 and 20001102222005.

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, 89065429 + ... + 89289712.

It is an arithmetic number, because the mean of its divisors is an integer number (1916604355932).

Almost surely, 2^{20001102222022} is an apocalyptic number.

20001102222022 is a deficient number, since it is larger than the sum of its proper divisors (10664567472890).

20001102222022 is a wasteful number, since it uses less digits than its factorization.

20001102222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178356383.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20001102222022 its reverse (22022220110002), we get a palindrome (42023322332024).

The spelling of 20001102222022 in words is "twenty trillion, one billion, one hundred two million, two hundred twenty-two thousand, twenty-two".