20935030163 has 2 divisors, whose sum is σ = 20935030164. Its totient is φ = 20935030162.

The previous prime is 20935030147. The next prime is 20935030189. The reversal of 20935030163 is 36103053902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20935030163 - 2⁴ = 20935030147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20935032163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10467515081 + 10467515082.

It is an arithmetic number, because the mean of its divisors is an integer number (10467515082).

Almost surely, 2^20935030163 is an apocalyptic number.

20935030163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20935030163 is an equidigital number, since it uses as much as digits as its factorization.

20935030163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The spelling of 20935030163 in words is "twenty billion, nine hundred thirty-five million, thirty thousand, one hundred sixty-three".