220784208325201 has 2 divisors, whose sum is σ = 220784208325202. Its totient is φ = 220784208325200.

The previous prime is 220784208325199. The next prime is 220784208325211. The reversal of 220784208325201 is 102523802487022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124701553990225 + 96082654334976 = 11166985^2 + 9802176^2 .

It is a cyclic number.

It is not a de Polignac number, because 220784208325201 - 2¹ = 220784208325199 is a prime.

Together with 220784208325199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (220784208325211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110392104162600 + 110392104162601.

It is an arithmetic number, because the mean of its divisors is an integer number (110392104162601).

Almost surely, 2^{220784208325201} is an apocalyptic number.

It is an amenable number.

220784208325201 is a deficient number, since it is larger than the sum of its proper divisors (1).

220784208325201 is an equidigital number, since it uses as much as digits as its factorization.

220784208325201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 220784208325201 in words is "two hundred twenty trillion, seven hundred eighty-four billion, two hundred eight million, three hundred twenty-five thousand, two hundred one".