20021022020022 has 8 divisors (see below), whose sum is σ = 40042044040056. Its totient is φ = 6673674006672.

The previous prime is 20021022020017. The next prime is 20021022020023. The reversal of 20021022020022 is 22002022012002.

It is a sphenic number, since it is the product of 3 distinct primes.

20021022020022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20021022019983 and 20021022020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021022020023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1668418501663 + ... + 1668418501674.

It is an arithmetic number, because the mean of its divisors is an integer number (5005255505007).

Almost surely, 2^{20021022020022} is an apocalyptic number.

20021022020022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021022020022 is a wasteful number, since it uses less digits than its factorization.

20021022020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336837003342.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20021022020022 its reverse (22002022012002), we get a palindrome (42023044032024).

The spelling of 20021022020022 in words is "twenty trillion, twenty-one billion, twenty-two million, twenty thousand, twenty-two".