220740315 has 32 divisors (see below), whose sum is σ = 381265920. Its totient is φ = 108721536.

The previous prime is 220740313. The next prime is 220740323. The reversal of 220740315 is 513047022.

It is not a de Polignac number, because 220740315 - 2¹ = 220740313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220740313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1027 + ... + 21036.

It is an arithmetic number, because the mean of its divisors is an integer number (11914560).

Almost surely, 2^220740315 is an apocalyptic number.

220740315 is a deficient number, since it is larger than the sum of its proper divisors (160525605).

220740315 is a wasteful number, since it uses less digits than its factorization.

220740315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22123.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 220740315 is about 14857.3320283286. The cubic root of 220740315 is about 604.3574582105.

Adding to 220740315 its reverse (513047022), we get a palindrome (733787337).

The spelling of 220740315 in words is "two hundred twenty million, seven hundred forty thousand, three hundred fifteen".