220125550 has 12 divisors (see below), whose sum is σ = 409433616. Its totient is φ = 88050200.

The previous prime is 220125547. The next prime is 220125551. The reversal of 220125550 is 55521022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220125551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2201206 + ... + 2201305.

It is an arithmetic number, because the mean of its divisors is an integer number (34119468).

Almost surely, 2^220125550 is an apocalyptic number.

220125550 is a deficient number, since it is larger than the sum of its proper divisors (189308066).

220125550 is a wasteful number, since it uses less digits than its factorization.

220125550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402523 (or 4402518 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 220125550 is about 14836.6286601775. The cubic root of 220125550 is about 603.7958884459.

Adding to 220125550 its reverse (55521022), we get a palindrome (275646572).

The spelling of 220125550 in words is "two hundred twenty million, one hundred twenty-five thousand, five hundred fifty".