220413305 has 16 divisors (see below), whose sum is σ = 305220864. Its totient is φ = 149670720.

The previous prime is 220413299. The next prime is 220413307. The reversal of 220413305 is 503314022.

It is a happy number.

It is not a de Polignac number, because 220413305 - 2⁴ = 220413289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220413307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26966 + ... + 34175.

It is an arithmetic number, because the mean of its divisors is an integer number (19076304).

Almost surely, 2^220413305 is an apocalyptic number.

It is an amenable number.

220413305 is a deficient number, since it is larger than the sum of its proper divisors (84807559).

220413305 is a wasteful number, since it uses less digits than its factorization.

220413305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61256.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 220413305 is about 14846.3229454300. The cubic root of 220413305 is about 604.0588741714.

Adding to 220413305 its reverse (503314022), we get a palindrome (723727327).

The spelling of 220413305 in words is "two hundred twenty million, four hundred thirteen thousand, three hundred five".