20002001022022 has 4 divisors (see below), whose sum is σ = 30003001533036. Its totient is φ = 10001000511010.

The previous prime is 20002001021971. The next prime is 20002001022023. The reversal of 20002001022022 is 22022010020002.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20002001021993 and 20002001022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002001022023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000500255504 + ... + 5000500255507.

It is an arithmetic number, because the mean of its divisors is an integer number (7500750383259).

Almost surely, 2^{20002001022022} is an apocalyptic number.

20002001022022 is a deficient number, since it is larger than the sum of its proper divisors (10001000511014).

20002001022022 is a wasteful number, since it uses less digits than its factorization.

20002001022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001000511013.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20002001022022 its reverse (22022010020002), we get a palindrome (42024011042024).

The spelling of 20002001022022 in words is "twenty trillion, two billion, one million, twenty-two thousand, twenty-two".