20023220011 has 2 divisors, whose sum is σ = 20023220012. Its totient is φ = 20023220010.

The previous prime is 20023219967. The next prime is 20023220071. The reversal of 20023220011 is 11002232002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20023220011 - 2⁷ = 20023219883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20023219973 and 20023220000.

It is not a weakly prime, because it can be changed into another prime (20023220071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011610005 + 10011610006.

It is an arithmetic number, because the mean of its divisors is an integer number (10011610006).

Almost surely, 2^20023220011 is an apocalyptic number.

20023220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023220011 is an equidigital number, since it uses as much as digits as its factorization.

20023220011 is an evil number, because the sum of its binary digits is even.

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

Adding to 20023220011 its reverse (11002232002), we get a palindrome (31025452013).

The spelling of 20023220011 in words is "twenty billion, twenty-three million, two hundred twenty thousand, eleven".