20001120022 has 16 divisors (see below), whose sum is σ = 33714263520. Its totient is φ = 8829925632.

The previous prime is 20001120011. The next prime is 20001120023. The reversal of 20001120022 is 22002110002.

20001120022 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 20001119990 and 20001120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001120023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16722747 + ... + 16723942.

It is an arithmetic number, because the mean of its divisors is an integer number (2107141470).

Almost surely, 2^20001120022 is an apocalyptic number.

20001120022 is a deficient number, since it is larger than the sum of its proper divisors (13713143498).

20001120022 is a wasteful number, since it uses less digits than its factorization.

20001120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33446727.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20001120022 its reverse (22002110002), we get a palindrome (42003230024).

The spelling of 20001120022 in words is "twenty billion, one million, one hundred twenty thousand, twenty-two".