22110020021020 has 12 divisors (see below), whose sum is σ = 46431042044184. Its totient is φ = 8844008008400.

The previous prime is 22110020021003. The next prime is 22110020021029. The reversal of 22110020021020 is 2012002001122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110020021029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552750500506 + ... + 552750500545.

It is an arithmetic number, because the mean of its divisors is an integer number (3869253503682).

Almost surely, 2^{22110020021020} is an apocalyptic number.

22110020021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110020021020 is an abundant number, since it is smaller than the sum of its proper divisors (24321022023164).

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

22110020021020 is a wasteful number, since it uses less digits than its factorization.

22110020021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105501001060 (or 1105501001058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22110020021020 its reverse (2012002001122), we get a palindrome (24122022022142).

The spelling of 22110020021020 in words is "twenty-two trillion, one hundred ten billion, twenty million, twenty-one thousand, twenty".