20009094361 has 2 divisors, whose sum is σ = 20009094362. Its totient is φ = 20009094360.

The previous prime is 20009094311. The next prime is 20009094407. The reversal of 20009094361 is 16349090002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14178855625 + 5830238736 = 119075^2 + 76356^2 .

It is a cyclic number.

It is not a de Polignac number, because 20009094361 - 2¹³ = 20009086169 is a prime.

It is not a weakly prime, because it can be changed into another prime (20009094311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10004547180 + 10004547181.

It is an arithmetic number, because the mean of its divisors is an integer number (10004547181).

Almost surely, 2^20009094361 is an apocalyptic number.

It is an amenable number.

20009094361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20009094361 is an equidigital number, since it uses as much as digits as its factorization.

20009094361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 20009094361 in words is "twenty billion, nine million, ninety-four thousand, three hundred sixty-one".