20021022012022 has 48 divisors (see below), whose sum is σ = 31449990287520. Its totient is φ = 9558215289216.

The previous prime is 20021022012007. The next prime is 20021022012097. The reversal of 20021022012022 is 22021022012002.

It is a super-2 number, since 2×20021022012022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20021022011987 and 20021022012005.

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 23 ways as a sum of consecutive naturals, for example, 1769104708 + ... + 1769116024.

It is an arithmetic number, because the mean of its divisors is an integer number (655208130990).

Almost surely, 2^{20021022012022} is an apocalyptic number.

20021022012022 is a deficient number, since it is larger than the sum of its proper divisors (11428968275498).

20021022012022 is a wasteful number, since it uses less digits than its factorization.

20021022012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14197 (or 14174 counting only the distinct ones).

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

Adding to 20021022012022 its reverse (22021022012002), we get a palindrome (42042044024024).

The spelling of 20021022012022 in words is "twenty trillion, twenty-one billion, twenty-two million, twelve thousand, twenty-two".