20020022122002 has 128 divisors (see below), whose sum is σ = 47281153075200. Its totient is φ = 5532507380736.

The previous prime is 20020022121971. The next prime is 20020022122003. The reversal of 20020022122002 is 20022122002002.

It is not an unprimeable number, because it can be changed into a prime (20020022122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 504148524 + ... + 504188232.

It is an arithmetic number, because the mean of its divisors is an integer number (369384008400).

Almost surely, 2^{20020022122002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020022122002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23640576537600).

20020022122002 is an abundant number, since it is smaller than the sum of its proper divisors (27261130953198).

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

20020022122002 is a wasteful number, since it uses less digits than its factorization.

20020022122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42480.

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

Adding to 20020022122002 its reverse (20022122002002), we get a palindrome (40042144124004).

The spelling of 20020022122002 in words is "twenty trillion, twenty billion, twenty-two million, one hundred twenty-two thousand, two".