20093909113 has 2 divisors, whose sum is σ = 20093909114. Its totient is φ = 20093909112.

The previous prime is 20093909081. The next prime is 20093909119. The reversal of 20093909113 is 31190939002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18525115449 + 1568793664 = 136107^2 + 39608^2 .

It is a cyclic number.

It is not a de Polignac number, because 20093909113 - 2⁵ = 20093909081 is a prime.

It is not a weakly prime, because it can be changed into another prime (20093909119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10046954556 + 10046954557.

It is an arithmetic number, because the mean of its divisors is an integer number (10046954557).

Almost surely, 2^20093909113 is an apocalyptic number.

It is an amenable number.

20093909113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20093909113 is an equidigital number, since it uses as much as digits as its factorization.

20093909113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 37.

The spelling of 20093909113 in words is "twenty billion, ninety-three million, nine hundred nine thousand, one hundred thirteen".