2320200221 has 2 divisors, whose sum is σ = 2320200222. Its totient is φ = 2320200220.

The previous prime is 2320200203. The next prime is 2320200227. The reversal of 2320200221 is 1220020232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1900524025 + 419676196 = 43595^2 + 20486^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320200221 - 2¹⁰ = 2320199197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2320200196 and 2320200205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320200227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160100110 + 1160100111.

It is an arithmetic number, because the mean of its divisors is an integer number (1160100111).

Almost surely, 2^2320200221 is an apocalyptic number.

It is an amenable number.

2320200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320200221 is an equidigital number, since it uses as much as digits as its factorization.

2320200221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2320200221 is about 48168.4567014556. The cubic root of 2320200221 is about 1323.8592713837.

Adding to 2320200221 its reverse (1220020232), we get a palindrome (3540220453).

The spelling of 2320200221 in words is "two billion, three hundred twenty million, two hundred thousand, two hundred twenty-one".