220076666669 has 2 divisors, whose sum is σ = 220076666670. Its totient is φ = 220076666668.

The previous prime is 220076666633. The next prime is 220076666671. The reversal of 220076666669 is 966666670022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218018955625 + 2057711044 = 466925^2 + 45362^2 .

It is a cyclic number.

It is not a de Polignac number, because 220076666669 - 2²⁸ = 219808231213 is a prime.

It is a super-3 number, since 3×220076666669³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 220076666671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220076606669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110038333334 + 110038333335.

It is an arithmetic number, because the mean of its divisors is an integer number (110038333335).

Almost surely, 2^220076666669 is an apocalyptic number.

It is an amenable number.

220076666669 is a deficient number, since it is larger than the sum of its proper divisors (1).

220076666669 is an equidigital number, since it uses as much as digits as its factorization.

220076666669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 220076666669 in words is "two hundred twenty billion, seventy-six million, six hundred sixty-six thousand, six hundred sixty-nine".