220125985 has 8 divisors (see below), whose sum is σ = 275636160. Its totient is φ = 168444144.

The previous prime is 220125977. The next prime is 220125989. The reversal of 220125985 is 589521022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220125985 - 2³ = 220125977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220125985.

It is not an unprimeable number, because it can be changed into a prime (220125989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956955 + ... + 957184.

It is an arithmetic number, because the mean of its divisors is an integer number (34454520).

Almost surely, 2^220125985 is an apocalyptic number.

It is an amenable number.

220125985 is a deficient number, since it is larger than the sum of its proper divisors (55510175).

220125985 is a wasteful number, since it uses less digits than its factorization.

220125985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914167.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 220125985 is about 14836.6433198348. The cubic root of 220125985 is about 603.7962861750.

The spelling of 220125985 in words is "two hundred twenty million, one hundred twenty-five thousand, nine hundred eighty-five".