22020221009 has 8 divisors (see below), whose sum is σ = 22709744640. Its totient is φ = 21338762256.

The previous prime is 22020220997. The next prime is 22020221029. The reversal of 22020221009 is 90012202022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22020221009 - 2¹² = 22020216913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020221029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2010674 + ... + 2021595.

It is an arithmetic number, because the mean of its divisors is an integer number (2838718080).

Almost surely, 2^22020221009 is an apocalyptic number.

It is an amenable number.

22020221009 is a deficient number, since it is larger than the sum of its proper divisors (689523631).

22020221009 is a wasteful number, since it uses less digits than its factorization.

22020221009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032439.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 22020221009 in words is "twenty-two billion, twenty million, two hundred twenty-one thousand, nine".