1322020163 has 2 divisors, whose sum is σ = 1322020164. Its totient is φ = 1322020162.

The previous prime is 1322020123. The next prime is 1322020211. The reversal of 1322020163 is 3610202231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322020163 is a prime.

It is a super-2 number, since 2×1322020163² = 3495474622757093138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1322020123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661010081 + 661010082.

It is an arithmetic number, because the mean of its divisors is an integer number (661010082).

Almost surely, 2^1322020163 is an apocalyptic number.

1322020163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322020163 is an equidigital number, since it uses as much as digits as its factorization.

1322020163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1322020163 is about 36359.5951985167. The cubic root of 1322020163 is about 1097.5206314755.

Adding to 1322020163 its reverse (3610202231), we get a palindrome (4932222394).

The spelling of 1322020163 in words is "one billion, three hundred twenty-two million, twenty thousand, one hundred sixty-three".