220323071 has 2 divisors, whose sum is σ = 220323072. Its totient is φ = 220323070.

The previous prime is 220323017. The next prime is 220323079. The reversal of 220323071 is 170323022.

Together with previous prime (220323017) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220323071 - 2⁶ = 220323007 is a prime.

It is a super-2 number, since 2×220323071² = 97084511229742082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220323079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110161535 + 110161536.

It is an arithmetic number, because the mean of its divisors is an integer number (110161536).

Almost surely, 2^220323071 is an apocalyptic number.

220323071 is a deficient number, since it is larger than the sum of its proper divisors (1).

220323071 is an equidigital number, since it uses as much as digits as its factorization.

220323071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 220323071 is about 14843.2837000443. The cubic root of 220323071 is about 603.9764319488.

Adding to 220323071 its reverse (170323022), we get a palindrome (390646093).

The spelling of 220323071 in words is "two hundred twenty million, three hundred twenty-three thousand, seventy-one".