220682069 has 2 divisors, whose sum is σ = 220682070. Its totient is φ = 220682068.

The previous prime is 220682057. The next prime is 220682113. The reversal of 220682069 is 960286022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195300625 + 25381444 = 13975^2 + 5038^2 .

It is a cyclic number.

It is not a de Polignac number, because 220682069 - 2⁴ = 220682053 is a prime.

It is a super-2 number, since 2×220682069² = 97401151156241522, 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 (220682029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110341034 + 110341035.

It is an arithmetic number, because the mean of its divisors is an integer number (110341035).

Almost surely, 2^220682069 is an apocalyptic number.

It is an amenable number.

220682069 is a deficient number, since it is larger than the sum of its proper divisors (1).

220682069 is an equidigital number, since it uses as much as digits as its factorization.

220682069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 220682069 is about 14855.3717220405. The cubic root of 220682069 is about 604.3042969485.

The spelling of 220682069 in words is "two hundred twenty million, six hundred eighty-two thousand, sixty-nine".