1020200163 has 4 divisors (see below), whose sum is σ = 1360266888. Its totient is φ = 680133440.

The previous prime is 1020200143. The next prime is 1020200177. The reversal of 1020200163 is 3610020201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020200163 - 2⁶ = 1020200099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020200113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170033358 + ... + 170033363.

It is an arithmetic number, because the mean of its divisors is an integer number (340066722).

Almost surely, 2^1020200163 is an apocalyptic number.

1020200163 is a deficient number, since it is larger than the sum of its proper divisors (340066725).

1020200163 is an equidigital number, since it uses as much as digits as its factorization.

1020200163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340066724.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1020200163 is about 31940.5723649405. The cubic root of 1020200163 is about 1006.6885512081.

Adding to 1020200163 its reverse (3610020201), we get a palindrome (4630220364).

The spelling of 1020200163 in words is "one billion, twenty million, two hundred thousand, one hundred sixty-three".