220404413 has 2 divisors, whose sum is σ = 220404414. Its totient is φ = 220404412.

The previous prime is 220404409. The next prime is 220404433. The reversal of 220404413 is 314404022.

It is an a-pointer prime, because the next prime (220404433) can be obtained adding 220404413 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170093764 + 50310649 = 13042^2 + 7093^2 .

It is a cyclic number.

It is not a de Polignac number, because 220404413 - 2² = 220404409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220404433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110202206 + 110202207.

It is an arithmetic number, because the mean of its divisors is an integer number (110202207).

Almost surely, 2^220404413 is an apocalyptic number.

It is an amenable number.

220404413 is a deficient number, since it is larger than the sum of its proper divisors (1).

220404413 is an equidigital number, since it uses as much as digits as its factorization.

220404413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 220404413 is about 14846.0234743180. The cubic root of 220404413 is about 604.0507510021.

Adding to 220404413 its reverse (314404022), we get a palindrome (534808435).

The spelling of 220404413 in words is "two hundred twenty million, four hundred four thousand, four hundred thirteen".