22020021001 has 16 divisors (see below), whose sum is σ = 26311962240. Its totient is φ = 18190977280.

The previous prime is 22020020993. The next prime is 22020021019. The reversal of 22020021001 is 10012002022.

It is a cyclic number.

It is not a de Polignac number, because 22020021001 - 2³ = 22020020993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020021031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2024821 + ... + 2035666.

It is an arithmetic number, because the mean of its divisors is an integer number (1644497640).

Almost surely, 2^22020021001 is an apocalyptic number.

It is an amenable number.

22020021001 is a deficient number, since it is larger than the sum of its proper divisors (4291941239).

22020021001 is a wasteful number, since it uses less digits than its factorization.

22020021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060544.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22020021001 its reverse (10012002022), we get a palindrome (32032023023).

The spelling of 22020021001 in words is "twenty-two billion, twenty million, twenty-one thousand, one".