220601115 has 192 divisors, whose sum is σ = 503193600. Its totient is φ = 87091200.

The previous prime is 220601111. The next prime is 220601203. The reversal of 220601115 is 511106022.

220601115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220601115 - 2² = 220601111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220601111) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5380495 + ... + 5380535.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800).

Almost surely, 2^220601115 is an apocalyptic number.

220601115 is an abundant number, since it is smaller than the sum of its proper divisors (282592485).

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

220601115 is a wasteful number, since it uses less digits than its factorization.

220601115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 220601115 is about 14852.6467338317. The cubic root of 220601115 is about 604.2303945038.

Adding to 220601115 its reverse (511106022), we get a palindrome (731707137).

The spelling of 220601115 in words is "two hundred twenty million, six hundred one thousand, one hundred fifteen".