220266071 has 2 divisors, whose sum is σ = 220266072. Its totient is φ = 220266070.

The previous prime is 220266043. The next prime is 220266073. The reversal of 220266071 is 170662022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220266071 is a prime.

It is a super-3 number, since 3×220266071³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 220266073, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220266071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220266073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110133035 + 110133036.

It is an arithmetic number, because the mean of its divisors is an integer number (110133036).

Almost surely, 2^220266071 is an apocalyptic number.

220266071 is a deficient number, since it is larger than the sum of its proper divisors (1).

220266071 is an equidigital number, since it uses as much as digits as its factorization.

220266071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 220266071 is about 14841.3635155265. The cubic root of 220266071 is about 603.9243423428.

The spelling of 220266071 in words is "two hundred twenty million, two hundred sixty-six thousand, seventy-one".