22000202020 has 24 divisors (see below), whose sum is σ = 46983484800. Its totient is φ = 8650926432.

The previous prime is 22000202017. The next prime is 22000202033. The reversal of 22000202020 is 2020200022.

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

22000202020 is a modest number, since divided by 202020 gives 22000 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22000201988 and 22000202006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9320940 + ... + 9323299.

It is an arithmetic number, because the mean of its divisors is an integer number (1957645200).

Almost surely, 2^22000202020 is an apocalyptic number.

22000202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000202020 is an abundant number, since it is smaller than the sum of its proper divisors (24983282780).

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

22000202020 is a wasteful number, since it uses less digits than its factorization.

22000202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18644307 (or 18644305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22000202020 its reverse (2020200022), we get a palindrome (24020402042).

The spelling of 22000202020 in words is "twenty-two billion, two hundred two thousand, twenty".