20363159 has 2 divisors, whose sum is σ = 20363160. Its totient is φ = 20363158.

The previous prime is 20363153. The next prime is 20363171. The reversal of 20363159 is 95136302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20363159 - 2⁴ = 20363143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20363153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10181579 + 10181580.

It is an arithmetic number, because the mean of its divisors is an integer number (10181580).

Almost surely, 2^20363159 is an apocalyptic number.

20363159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20363159 is an equidigital number, since it uses as much as digits as its factorization.

20363159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 20363159 is about 4512.5557060274. Note that the first 3 decimals coincide. The cubic root of 20363159 is about 273.0748586012.

The spelling of 20363159 in words is "twenty million, three hundred sixty-three thousand, one hundred fifty-nine".