20021112022022 has 4 divisors (see below), whose sum is σ = 30031668033036. Its totient is φ = 10010556011010.

The previous prime is 20021112022003. The next prime is 20021112022049. The reversal of 20021112022022 is 22022021112002.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 5005278005504 + ... + 5005278005507.

It is an arithmetic number, because the mean of its divisors is an integer number (7507917008259).

Almost surely, 2^{20021112022022} is an apocalyptic number.

20021112022022 is a deficient number, since it is larger than the sum of its proper divisors (10010556011014).

20021112022022 is a wasteful number, since it uses less digits than its factorization.

20021112022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010556011013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20021112022022 its reverse (22022021112002), we get a palindrome (42043133134024).

The spelling of 20021112022022 in words is "twenty trillion, twenty-one billion, one hundred twelve million, twenty-two thousand, twenty-two".