20503014011 has 2 divisors, whose sum is σ = 20503014012. Its totient is φ = 20503014010.

The previous prime is 20503013987. The next prime is 20503014023. The reversal of 20503014011 is 11041030502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20503014011 - 2²² = 20498819707 is a prime.

It is not a weakly prime, because it can be changed into another prime (20503014061) 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, 10251507005 + 10251507006.

It is an arithmetic number, because the mean of its divisors is an integer number (10251507006).

Almost surely, 2^20503014011 is an apocalyptic number.

20503014011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20503014011 is an equidigital number, since it uses as much as digits as its factorization.

20503014011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 20503014011 its reverse (11041030502), we get a palindrome (31544044513).

The spelling of 20503014011 in words is "twenty billion, five hundred three million, fourteen thousand, eleven".