20052043111 has 2 divisors, whose sum is σ = 20052043112. Its totient is φ = 20052043110.

The previous prime is 20052043093. The next prime is 20052043147. The reversal of 20052043111 is 11134025002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20052043111 - 2⁵ = 20052043079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20052943111) 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, 10026021555 + 10026021556.

It is an arithmetic number, because the mean of its divisors is an integer number (10026021556).

Almost surely, 2^20052043111 is an apocalyptic number.

20052043111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20052043111 is an equidigital number, since it uses as much as digits as its factorization.

20052043111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20052043111 its reverse (11134025002), we get a palindrome (31186068113).

The spelling of 20052043111 in words is "twenty billion, fifty-two million, forty-three thousand, one hundred eleven".