20013111383 has 2 divisors, whose sum is σ = 20013111384. Its totient is φ = 20013111382.

The previous prime is 20013111353. The next prime is 20013111431. The reversal of 20013111383 is 38311131002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20013111383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20013111353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006555691 + 10006555692.

It is an arithmetic number, because the mean of its divisors is an integer number (10006555692).

Almost surely, 2^20013111383 is an apocalyptic number.

20013111383 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013111383 is an equidigital number, since it uses as much as digits as its factorization.

20013111383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 20013111383 its reverse (38311131002), we get a palindrome (58324242385).

The spelling of 20013111383 in words is "twenty billion, thirteen million, one hundred eleven thousand, three hundred eighty-three".