22111322020 has 48 divisors (see below), whose sum is σ = 49057021440. Its totient is φ = 8357842304.

The previous prime is 22111322011. The next prime is 22111322117. The reversal of 22111322020 is 2022311122.

It is a happy number.

It is a super-2 number, since 2×22111322020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22111321985 and 22111322003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378304 + ... + 432823.

It is an arithmetic number, because the mean of its divisors is an integer number (1022021280).

Almost surely, 2^22111322020 is an apocalyptic number.

22111322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111322020 is an abundant number, since it is smaller than the sum of its proper divisors (26945699420).

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

22111322020 is a wasteful number, since it uses less digits than its factorization.

22111322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811212 (or 811210 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22111322020 its reverse (2022311122), we get a palindrome (24133633142).

It can be divided in two parts, 2211 and 1322020, that added together give a palindrome (1324231).

The spelling of 22111322020 in words is "twenty-two billion, one hundred eleven million, three hundred twenty-two thousand, twenty".