220069756321 has 2 divisors, whose sum is σ = 220069756322. Its totient is φ = 220069756320.

The previous prime is 220069756289. The next prime is 220069756339. The reversal of 220069756321 is 123657960022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218990305296 + 1079451025 = 467964^2 + 32855^2 .

It is a cyclic number.

It is not a de Polignac number, because 220069756321 - 2⁵ = 220069756289 is a prime.

It is not a weakly prime, because it can be changed into another prime (220069756351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110034878160 + 110034878161.

It is an arithmetic number, because the mean of its divisors is an integer number (110034878161).

Almost surely, 2^220069756321 is an apocalyptic number.

It is an amenable number.

220069756321 is a deficient number, since it is larger than the sum of its proper divisors (1).

220069756321 is an equidigital number, since it uses as much as digits as its factorization.

220069756321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 220069756321 in words is "two hundred twenty billion, sixty-nine million, seven hundred fifty-six thousand, three hundred twenty-one".