20022020111 has 2 divisors, whose sum is σ = 20022020112. Its totient is φ = 20022020110.

The previous prime is 20022020059. The next prime is 20022020131. The reversal of 20022020111 is 11102022002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022020111 - 2⁶ = 20022020047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022020092 and 20022020101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022020131) 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 as a sum of consecutive naturals, namely, 10011010055 + 10011010056.

It is an arithmetic number, because the mean of its divisors is an integer number (10011010056).

Almost surely, 2^20022020111 is an apocalyptic number.

20022020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022020111 is an equidigital number, since it uses as much as digits as its factorization.

20022020111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20022020111 its reverse (11102022002), we get a palindrome (31124042113).

The spelling of 20022020111 in words is "twenty billion, twenty-two million, twenty thousand, one hundred eleven".