20201012011013 has 2 divisors, whose sum is σ = 20201012011014. Its totient is φ = 20201012011012.

The previous prime is 20201012010931. The next prime is 20201012011039. The reversal of 20201012011013 is 31011021010202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11577639123649 + 8623372887364 = 3402593^2 + 2936558^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201012011013 - 2²⁰ = 20201010962437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201012011613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100506005506 + 10100506005507.

It is an arithmetic number, because the mean of its divisors is an integer number (10100506005507).

Almost surely, 2^{20201012011013} is an apocalyptic number.

It is an amenable number.

20201012011013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201012011013 is an equidigital number, since it uses as much as digits as its factorization.

20201012011013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20201012011013 its reverse (31011021010202), we get a palindrome (51212033021215).

The spelling of 20201012011013 in words is "twenty trillion, two hundred one billion, twelve million, eleven thousand, thirteen".