1000020000013 has 2 divisors, whose sum is σ = 1000020000014. Its totient is φ = 1000020000012.

The previous prime is 1000019999989. The next prime is 1000020000131. The reversal of 1000020000013 is 3100000200001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966135658084 + 33884341929 = 982922^2 + 184077^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000020000013 - 2¹³ = 1000019991821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000019999960 and 1000020000005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000020000313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500010000006 + 500010000007.

It is an arithmetic number, because the mean of its divisors is an integer number (500010000007).

Almost surely, 2^{1000020000013} is an apocalyptic number.

It is an amenable number.

1000020000013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000020000013 is an equidigital number, since it uses as much as digits as its factorization.

1000020000013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 1000020000013 its reverse (3100000200001), we get a palindrome (4100020200014).

The spelling of 1000020000013 in words is "one trillion, twenty million, thirteen", and thus it is an aban number and an uban number.