220115415 has 32 divisors (see below), whose sum is σ = 380943360. Its totient is φ = 107888256.

The previous prime is 220115383. The next prime is 220115443. The reversal of 220115415 is 514511022.

It is not a de Polignac number, because 220115415 - 2⁵ = 220115383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220115391 and 220115400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44244 + ... + 48966.

It is an arithmetic number, because the mean of its divisors is an integer number (11904480).

Almost surely, 2^220115415 is an apocalyptic number.

220115415 is a deficient number, since it is larger than the sum of its proper divisors (160827945).

220115415 is a wasteful number, since it uses less digits than its factorization.

220115415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 220115415 is about 14836.2871029109. The cubic root of 220115415 is about 603.7866216657.

Adding to 220115415 its reverse (514511022), we get a palindrome (734626437).

The spelling of 220115415 in words is "two hundred twenty million, one hundred fifteen thousand, four hundred fifteen".