20223120163 has 2 divisors, whose sum is σ = 20223120164. Its totient is φ = 20223120162.

The previous prime is 20223120157. The next prime is 20223120179. The reversal of 20223120163 is 36102132202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20223120163 - 2¹³ = 20223111971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20223120263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111560081 + 10111560082.

It is an arithmetic number, because the mean of its divisors is an integer number (10111560082).

Almost surely, 2^20223120163 is an apocalyptic number.

20223120163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223120163 is an equidigital number, since it uses as much as digits as its factorization.

20223120163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20223120163 its reverse (36102132202), we get a palindrome (56325252365).

The spelling of 20223120163 in words is "twenty billion, two hundred twenty-three million, one hundred twenty thousand, one hundred sixty-three".