22020312001 has 4 divisors (see below), whose sum is σ = 22028522032. Its totient is φ = 22012101972.

The previous prime is 22020311909. The next prime is 22020312047. The reversal of 22020312001 is 10021302022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22020312001 - 2¹¹ = 22020309953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020312091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100991 + ... + 4106356.

It is an arithmetic number, because the mean of its divisors is an integer number (5507130508).

Almost surely, 2^22020312001 is an apocalyptic number.

It is an amenable number.

22020312001 is a deficient number, since it is larger than the sum of its proper divisors (8210031).

22020312001 is an equidigital number, since it uses as much as digits as its factorization.

22020312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210030.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22020312001 its reverse (10021302022), we get a palindrome (32041614023).

The spelling of 22020312001 in words is "twenty-two billion, twenty million, three hundred twelve thousand, one".