22020011020 has 36 divisors (see below), whose sum is σ = 53791743600. Its totient is φ = 7549717728.

The previous prime is 22020011017. The next prime is 22020011053. The reversal of 22020011020 is 2011002022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22020010988 and 22020011006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11233720 + ... + 11235679.

It is an arithmetic number, because the mean of its divisors is an integer number (1494215100).

Almost surely, 2^22020011020 is an apocalyptic number.

22020011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020011020 is an abundant number, since it is smaller than the sum of its proper divisors (31771732580).

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

22020011020 is a wasteful number, since it uses less digits than its factorization.

22020011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22469422 (or 22469413 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22020011020 its reverse (2011002022), we get a palindrome (24031013042).

The spelling of 22020011020 in words is "twenty-two billion, twenty million, eleven thousand, twenty".