20000113009 has 2 divisors, whose sum is σ = 20000113010. Its totient is φ = 20000113008.

The previous prime is 20000112989. The next prime is 20000113027. The reversal of 20000113009 is 90031100002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18153520225 + 1846592784 = 134735^2 + 42972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000113009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000112983 and 20000113001.

It is not a weakly prime, because it can be changed into another prime (20000113079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000056504 + 10000056505.

It is an arithmetic number, because the mean of its divisors is an integer number (10000056505).

Almost surely, 2^20000113009 is an apocalyptic number.

It is an amenable number.

20000113009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000113009 is an equidigital number, since it uses as much as digits as its factorization.

20000113009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The spelling of 20000113009 in words is "twenty billion, one hundred thirteen thousand, nine".