220516505325 has 96 divisors (see below), whose sum is σ = 419504400000. Its totient is φ = 113434513920.

The previous prime is 220516505323. The next prime is 220516505347. The reversal of 220516505325 is 523505615022.

220516505325 is a `hidden beast` number, since 2 + 20 + 51 + 6 + 50 + 532 + 5 = 666.

It is not a de Polignac number, because 220516505325 - 2¹ = 220516505323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220516505325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220516505323) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20528806 + ... + 20539544.

It is an arithmetic number, because the mean of its divisors is an integer number (4369837500).

Almost surely, 2^220516505325 is an apocalyptic number.

220516505325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220516505325 is a deficient number, since it is larger than the sum of its proper divisors (198987894675).

220516505325 is a wasteful number, since it uses less digits than its factorization.

220516505325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11836 (or 11825 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 220516505325 in words is "two hundred twenty billion, five hundred sixteen million, five hundred five thousand, three hundred twenty-five".