20220020011 has 2 divisors, whose sum is σ = 20220020012. Its totient is φ = 20220020010.

The previous prime is 20220020003. The next prime is 20220020021. The reversal of 20220020011 is 11002002202.

It is an a-pointer prime, because the next prime (20220020021) can be obtained adding 20220020011 to its sum of digits (10).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20220020011 - 2³ = 20220020003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20220020011.

It is not a weakly prime, because it can be changed into another prime (20220020021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110010005 + 10110010006.

It is an arithmetic number, because the mean of its divisors is an integer number (10110010006).

Almost surely, 2^20220020011 is an apocalyptic number.

20220020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220020011 is an equidigital number, since it uses as much as digits as its factorization.

20220020011 is an evil number, because the sum of its binary digits is even.

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

Adding to 20220020011 its reverse (11002002202), we get a palindrome (31222022213).

The spelling of 20220020011 in words is "twenty billion, two hundred twenty million, twenty thousand, eleven".