22020022101020 has 96 divisors (see below), whose sum is σ = 47970314141568. Its totient is φ = 8483672236032.

The previous prime is 22020022101001. The next prime is 22020022101031. The reversal of 22020022101020 is 2010122002022.

It is a junction number, because it is equal to n+sod(n) for n = 22020022100986 and 22020022101004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215880272 + ... + 215982248.

It is an arithmetic number, because the mean of its divisors is an integer number (499690772308).

Almost surely, 2^{22020022101020} is an apocalyptic number.

22020022101020 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 22020022101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23985157070784).

22020022101020 is an abundant number, since it is smaller than the sum of its proper divisors (25950292040548).

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

22020022101020 is a wasteful number, since it uses less digits than its factorization.

22020022101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104959 (or 104957 counting only the distinct ones).

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

Adding to 22020022101020 its reverse (2010122002022), we get a palindrome (24030144103042).

The spelling of 22020022101020 in words is "twenty-two trillion, twenty billion, twenty-two million, one hundred one thousand, twenty".