22000002020 has 24 divisors (see below), whose sum is σ = 46249774200. Its totient is φ = 8790520832.

The previous prime is 22000002019. The next prime is 22000002041. The reversal of 22000002020 is 2020000022.

It can be written as a sum of positive squares in 4 ways, for example, as 2522450176 + 19477551844 = 50224^2 + 139562^2 .

22000002020 is a modest number, since divided by 2020 gives 220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22000001989 and 22000002007.

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 7 ways as a sum of consecutive naturals, for example, 573455 + ... + 610614.

It is an arithmetic number, because the mean of its divisors is an integer number (1927073925).

Almost surely, 2^22000002020 is an apocalyptic number.

22000002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000002020 is an abundant number, since it is smaller than the sum of its proper divisors (24249772180).

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

22000002020 is a wasteful number, since it uses less digits than its factorization.

22000002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185007 (or 1185005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 22000002020 its reverse (2020000022), we get a palindrome (24020002042).

The spelling of 22000002020 in words is "twenty-two billion, two thousand, twenty".