220242115 has 16 divisors (see below), whose sum is σ = 268790400. Its totient is φ = 173219200.

The previous prime is 220242049. The next prime is 220242131. The reversal of 220242115 is 511242022.

It is not a de Polignac number, because 220242115 - 2⁹ = 220241603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220242092 and 220242101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73782 + ... + 76708.

It is an arithmetic number, because the mean of its divisors is an integer number (16799400).

Almost surely, 2^220242115 is an apocalyptic number.

220242115 is a deficient number, since it is larger than the sum of its proper divisors (48548285).

220242115 is a wasteful number, since it uses less digits than its factorization.

220242115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 220242115 is about 14840.5564248784. The cubic root of 220242115 is about 603.9024474045.

Adding to 220242115 its reverse (511242022), we get a palindrome (731484137).

The spelling of 220242115 in words is "two hundred twenty million, two hundred forty-two thousand, one hundred fifteen".