320606201 has 2 divisors, whose sum is σ = 320606202. Its totient is φ = 320606200.

The previous prime is 320606197. The next prime is 320606227. The reversal of 320606201 is 102606023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275394025 + 45212176 = 16595^2 + 6724^2 .

It is a cyclic number.

It is not a de Polignac number, because 320606201 - 2² = 320606197 is a prime.

It is a super-2 number, since 2×320606201² = 205576672239304802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320606501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160303100 + 160303101.

It is an arithmetic number, because the mean of its divisors is an integer number (160303101).

Almost surely, 2^320606201 is an apocalyptic number.

It is an amenable number.

320606201 is a deficient number, since it is larger than the sum of its proper divisors (1).

320606201 is an equidigital number, since it uses as much as digits as its factorization.

320606201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 320606201 is about 17905.4796361337. The cubic root of 320606201 is about 684.4220183594.

The spelling of 320606201 in words is "three hundred twenty million, six hundred six thousand, two hundred one".