20363135159 has 2 divisors, whose sum is σ = 20363135160. Its totient is φ = 20363135158.

The previous prime is 20363135131. The next prime is 20363135179. The reversal of 20363135159 is 95153136302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20363135159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20363135179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10181567579 + 10181567580.

It is an arithmetic number, because the mean of its divisors is an integer number (10181567580).

Almost surely, 2^20363135159 is an apocalyptic number.

20363135159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20363135159 is an equidigital number, since it uses as much as digits as its factorization.

20363135159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 38.

The spelling of 20363135159 in words is "twenty billion, three hundred sixty-three million, one hundred thirty-five thousand, one hundred fifty-nine".