20093436361 has 2 divisors, whose sum is σ = 20093436362. Its totient is φ = 20093436360.

The previous prime is 20093436359. The next prime is 20093436397. The reversal of 20093436361 is 16363439002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20087676361 + 5760000 = 141731^2 + 2400^2 .

It is a cyclic number.

It is not a de Polignac number, because 20093436361 - 2¹ = 20093436359 is a prime.

Together with 20093436359, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20093436361.

It is not a weakly prime, because it can be changed into another prime (20093436061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10046718180 + 10046718181.

It is an arithmetic number, because the mean of its divisors is an integer number (10046718181).

Almost surely, 2^20093436361 is an apocalyptic number.

It is an amenable number.

20093436361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20093436361 is an equidigital number, since it uses as much as digits as its factorization.

20093436361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 20093436361 in words is "twenty billion, ninety-three million, four hundred thirty-six thousand, three hundred sixty-one".