22020440011 has 4 divisors (see below), whose sum is σ = 22020805024. Its totient is φ = 22020075000.

The previous prime is 22020439997. The next prime is 22020440027. The reversal of 22020440011 is 11004402022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22020440011 - 2¹³ = 22020431819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020440111) 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 3 ways as a sum of consecutive naturals, for example, 68115 + ... + 220636.

It is an arithmetic number, because the mean of its divisors is an integer number (5505201256).

Almost surely, 2^22020440011 is an apocalyptic number.

22020440011 is a deficient number, since it is larger than the sum of its proper divisors (365013).

22020440011 is an equidigital number, since it uses as much as digits as its factorization.

22020440011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365012.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22020440011 its reverse (11004402022), we get a palindrome (33024842033).

The spelling of 22020440011 in words is "twenty-two billion, twenty million, four hundred forty thousand, eleven".