20022002021120 has 288 divisors, whose sum is σ = 54746782977600. Its totient is φ = 6950282526720.

The previous prime is 20022002021071. The next prime is 20022002021149. The reversal of 20022002021120 is 2112020022002.

It is a junction number, because it is equal to n+sod(n) for n = 20022002021095 and 20022002021104.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 27248306 + ... + 27973454.

It is an arithmetic number, because the mean of its divisors is an integer number (190092996450).

Almost surely, 2^{20022002021120} is an apocalyptic number.

20022002021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022002021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27373391488800).

20022002021120 is an abundant number, since it is smaller than the sum of its proper divisors (34724780956480).

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

20022002021120 is a wasteful number, since it uses less digits than its factorization.

20022002021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725271 (or 725257 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20022002021120 its reverse (2112020022002), we get a palindrome (22134022043122).

The spelling of 20022002021120 in words is "twenty trillion, twenty-two billion, two million, twenty-one thousand, one hundred twenty".