22102222202020 has 12 divisors (see below), whose sum is σ = 46414666624284. Its totient is φ = 8840888880800.

The previous prime is 22102222201999. The next prime is 22102222202051. The reversal of 22102222202020 is 2020222220122.

It can be written as a sum of positive squares in 2 ways, for example, as 17479489999104 + 4622732202916 = 4180848^2 + 2150054^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552555555031 + ... + 552555555070.

It is an arithmetic number, because the mean of its divisors is an integer number (3867888885357).

Almost surely, 2^{22102222202020} is an apocalyptic number.

22102222202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102222202020 is an abundant number, since it is smaller than the sum of its proper divisors (24312444422264).

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

22102222202020 is a wasteful number, since it uses less digits than its factorization.

22102222202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105111110110 (or 1105111110108 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22102222202020 its reverse (2020222220122), we get a palindrome (24122444422142).

The spelling of 22102222202020 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-two million, two hundred two thousand, twenty".