220125015 has 36 divisors (see below), whose sum is σ = 419400072. Its totient is φ = 106724640.

The previous prime is 220125011. The next prime is 220125029. The reversal of 220125015 is 510521022.

It is not a de Polignac number, because 220125015 - 2² = 220125011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220125011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14769 + ... + 25658.

It is an arithmetic number, because the mean of its divisors is an integer number (11650002).

Almost surely, 2^220125015 is an apocalyptic number.

220125015 is a deficient number, since it is larger than the sum of its proper divisors (199275057).

220125015 is a wasteful number, since it uses less digits than its factorization.

220125015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40460 (or 40446 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 220125015 is about 14836.6106304641. The cubic root of 220125015 is about 603.7953992840.

Adding to 220125015 its reverse (510521022), we get a palindrome (730646037).

The spelling of 220125015 in words is "two hundred twenty million, one hundred twenty-five thousand, fifteen".