220513201 has 2 divisors, whose sum is σ = 220513202. Its totient is φ = 220513200.

The previous prime is 220513177. The next prime is 220513219. The reversal of 220513201 is 102315022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167573025 + 52940176 = 12945^2 + 7276^2 .

It is a cyclic number.

It is not a de Polignac number, because 220513201 - 2⁵ = 220513169 is a prime.

It is not a weakly prime, because it can be changed into another prime (220513901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110256600 + 110256601.

It is an arithmetic number, because the mean of its divisors is an integer number (110256601).

Almost surely, 2^220513201 is an apocalyptic number.

It is an amenable number.

220513201 is a deficient number, since it is larger than the sum of its proper divisors (1).

220513201 is an equidigital number, since it uses as much as digits as its factorization.

220513201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 220513201 is about 14849.6868990562. The cubic root of 220513201 is about 604.1501178334.

Adding to 220513201 its reverse (102315022), we get a palindrome (322828223).

It can be divided in two parts, 22051 and 3201, that added together give a palindrome (25252).

The spelling of 220513201 in words is "two hundred twenty million, five hundred thirteen thousand, two hundred one".