20200020163 has 2 divisors, whose sum is σ = 20200020164. Its totient is φ = 20200020162.

The previous prime is 20200020121. The next prime is 20200020257. The reversal of 20200020163 is 36102000202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20200020163 - 2¹³ = 20200011971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200080163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100010081 + 10100010082.

It is an arithmetic number, because the mean of its divisors is an integer number (10100010082).

Almost surely, 2^20200020163 is an apocalyptic number.

20200020163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200020163 is an equidigital number, since it uses as much as digits as its factorization.

20200020163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20200020163 its reverse (36102000202), we get a palindrome (56302020365).

The spelling of 20200020163 in words is "twenty billion, two hundred million, twenty thousand, one hundred sixty-three".