22000817020 has 96 divisors (see below), whose sum is σ = 56899584000. Its totient is φ = 6958497024.

The previous prime is 22000817017. The next prime is 22000817023. The reversal of 22000817020 is 2071800022.

It is an interprime number because it is at equal distance from previous prime (22000817017) and next prime (22000817023).

It is a junction number, because it is equal to n+sod(n) for n = 22000816982 and 22000817000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000817023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4072281 + ... + 4077679.

It is an arithmetic number, because the mean of its divisors is an integer number (592704000).

Almost surely, 2^22000817020 is an apocalyptic number.

22000817020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000817020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28449792000).

22000817020 is an abundant number, since it is smaller than the sum of its proper divisors (34898766980).

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

22000817020 is a wasteful number, since it uses less digits than its factorization.

22000817020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7667 (or 7665 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The spelling of 22000817020 in words is "twenty-two billion, eight hundred seventeen thousand, twenty".