22020888089 has 4 divisors (see below), whose sum is σ = 22043995956. Its totient is φ = 21997780224.

The previous prime is 22020888077. The next prime is 22020888119. The reversal of 22020888089 is 98088802022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98088802022 = 2 ⋅49044401011.

It can be written as a sum of positive squares in 2 ways, for example, as 6859152400 + 15161735689 = 82820^2 + 123133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020888089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020888289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11552504 + ... + 11554409.

It is an arithmetic number, because the mean of its divisors is an integer number (5510998989).

Almost surely, 2^22020888089 is an apocalyptic number.

It is an amenable number.

22020888089 is a deficient number, since it is larger than the sum of its proper divisors (23107867).

22020888089 is an equidigital number, since it uses as much as digits as its factorization.

22020888089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23107866.

The product of its (nonzero) digits is 294912, while the sum is 47.

The spelling of 22020888089 in words is "twenty-two billion, twenty million, eight hundred eighty-eight thousand, eighty-nine".