22020101020 has 24 divisors (see below), whose sum is σ = 48962343024. Its totient is φ = 8289920256.

The previous prime is 22020101011. The next prime is 22020101021. The reversal of 22020101020 is 2010102022.

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 = 22020100988 and 22020101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020101021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32382162 + ... + 32382841.

It is an arithmetic number, because the mean of its divisors is an integer number (2040097626).

Almost surely, 2^22020101020 is an apocalyptic number.

22020101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020101020 is an abundant number, since it is smaller than the sum of its proper divisors (26942242004).

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

22020101020 is a wasteful number, since it uses less digits than its factorization.

22020101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64765029 (or 64765027 counting only the distinct ones).

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

Adding to 22020101020 its reverse (2010102022), we get a palindrome (24030203042).

The spelling of 22020101020 in words is "twenty-two billion, twenty million, one hundred one thousand, twenty".