220652768993 has 2 divisors, whose sum is σ = 220652768994. Its totient is φ = 220652768992.

The previous prime is 220652768971. The next prime is 220652769011. The reversal of 220652768993 is 399867256022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215028818944 + 5623950049 = 463712^2 + 74993^2 .

It is a cyclic number.

It is not a de Polignac number, because 220652768993 - 2¹² = 220652764897 is a prime.

It is not a weakly prime, because it can be changed into another prime (220652768933) 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, 110326384496 + 110326384497.

It is an arithmetic number, because the mean of its divisors is an integer number (110326384497).

Almost surely, 2^220652768993 is an apocalyptic number.

It is an amenable number.

220652768993 is a deficient number, since it is larger than the sum of its proper divisors (1).

220652768993 is an equidigital number, since it uses as much as digits as its factorization.

220652768993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 220652768993 in words is "two hundred twenty billion, six hundred fifty-two million, seven hundred sixty-eight thousand, nine hundred ninety-three".