220321201 has 2 divisors, whose sum is σ = 220321202. Its totient is φ = 220321200.

The previous prime is 220321187. The next prime is 220321229. The reversal of 220321201 is 102123022.

220321201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200250801 + 20070400 = 14151^2 + 4480^2 .

It is a cyclic number.

It is not a de Polignac number, because 220321201 - 2²⁷ = 86103473 is a prime.

It is a super-2 number, since 2×220321201² = 97082863220164802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220321261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110160600 + 110160601.

It is an arithmetic number, because the mean of its divisors is an integer number (110160601).

Almost surely, 2^220321201 is an apocalyptic number.

It is an amenable number.

220321201 is a deficient number, since it is larger than the sum of its proper divisors (1).

220321201 is an equidigital number, since it uses as much as digits as its factorization.

220321201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 220321201 is about 14843.2207084581. The cubic root of 220321201 is about 603.9747231868.

Adding to 220321201 its reverse (102123022), we get a palindrome (322444223).

The spelling of 220321201 in words is "two hundred twenty million, three hundred twenty-one thousand, two hundred one".