20200240111 has 2 divisors, whose sum is σ = 20200240112. Its totient is φ = 20200240110.

The previous prime is 20200240079. The next prime is 20200240117. The reversal of 20200240111 is 11104200202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20200240111 - 2⁵ = 20200240079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20200240091 and 20200240100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200240117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100120055 + 10100120056.

It is an arithmetic number, because the mean of its divisors is an integer number (10100120056).

Almost surely, 2^20200240111 is an apocalyptic number.

20200240111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200240111 is an equidigital number, since it uses as much as digits as its factorization.

20200240111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20200240111 its reverse (11104200202), we get a palindrome (31304440313).

The spelling of 20200240111 in words is "twenty billion, two hundred million, two hundred forty thousand, one hundred eleven".