220115670 has 32 divisors (see below), whose sum is σ = 529211232. Its totient is φ = 58593792.

The previous prime is 220115669. The next prime is 220115671. The reversal of 220115670 is 76511022.

It is an interprime number because it is at equal distance from previous prime (220115669) and next prime (220115671).

It is a self number, because there is not a number n which added to its sum of digits gives 220115670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220115671) 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, 11604 + ... + 23976.

It is an arithmetic number, because the mean of its divisors is an integer number (16537851).

Almost surely, 2^220115670 is an apocalyptic number.

220115670 is an abundant number, since it is smaller than the sum of its proper divisors (309095562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220115670 is a wasteful number, since it uses less digits than its factorization.

220115670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12976.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 220115670 is about 14836.2956967027. The cubic root of 220115670 is about 603.7868548245.

Adding to 220115670 its reverse (76511022), we get a palindrome (296626692).

It can be divided in two parts, 2201 and 15670, that added together give a palindrome (17871).

The spelling of 220115670 in words is "two hundred twenty million, one hundred fifteen thousand, six hundred seventy".