22102102022020 has 12 divisors (see below), whose sum is σ = 46414414246284. Its totient is φ = 8840840808800.

The previous prime is 22102102022003. The next prime is 22102102022041. The reversal of 22102102022020 is 2022020120122.

It can be written as a sum of positive squares in 2 ways, for example, as 4120567086724 + 17981534935296 = 2029918^2 + 4240464^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22102102021985 and 22102102022003.

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 3 ways as a sum of consecutive naturals, for example, 552552550531 + ... + 552552550570.

It is an arithmetic number, because the mean of its divisors is an integer number (3867867853857).

Almost surely, 2^{22102102022020} is an apocalyptic number.

22102102022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102102022020 is an abundant number, since it is smaller than the sum of its proper divisors (24312312224264).

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

22102102022020 is a wasteful number, since it uses less digits than its factorization.

22102102022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105105101110 (or 1105105101108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22102102022020 its reverse (2022020120122), we get a palindrome (24124122142142).

The spelling of 22102102022020 in words is "twenty-two trillion, one hundred two billion, one hundred two million, twenty-two thousand, twenty".