220658486049 has 27 divisors (see below), whose sum is σ = 329407382577. Its totient is φ = 142332129000.

The previous prime is 220658486039. The next prime is 220658486063. The reversal of 220658486049 is 940684856022.

The square root of 220658486049 is 469743.

It is a perfect power (a square), and thus also a powerful number.

220658486049 is a `hidden beast` number, since 2 + 20 + 6 + 5 + 8 + 4 + 8 + 604 + 9 = 666.

It is not a de Polignac number, because 220658486049 - 2⁵ = 220658486017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220658485986 and 220658486004.

It is not an unprimeable number, because it can be changed into a prime (220658486029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 43683574 + ... + 43688624.

Almost surely, 2^220658486049 is an apocalyptic number.

220658486049 is the 469743-rd square number.

220658486049 is the 234872-nd centered octagonal number.

It is an amenable number.

220658486049 is a deficient number, since it is larger than the sum of its proper divisors (108748896528).

220658486049 is an frugal number, since it uses more digits than its factorization.

220658486049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 220658486049 in words is "two hundred twenty billion, six hundred fifty-eight million, four hundred eighty-six thousand, forty-nine".