220544163245 has 16 divisors (see below), whose sum is σ = 303162352128. Its totient is φ = 150879390720.

The previous prime is 220544163239. The next prime is 220544163283. The reversal of 220544163245 is 542361445022.

It is not a de Polignac number, because 220544163245 - 2³² = 216249195949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220544163199 and 220544163208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7294964 + ... + 7325133.

It is an arithmetic number, because the mean of its divisors is an integer number (18947647008).

Almost surely, 2^220544163245 is an apocalyptic number.

It is an amenable number.

220544163245 is a deficient number, since it is larger than the sum of its proper divisors (82618188883).

220544163245 is a wasteful number, since it uses less digits than its factorization.

220544163245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14620540.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 220544163245 in words is "two hundred twenty billion, five hundred forty-four million, one hundred sixty-three thousand, two hundred forty-five".