220284865744 has 10 divisors (see below), whose sum is σ = 426801927410. Its totient is φ = 110142432864.

The previous prime is 220284865729. The next prime is 220284865789. The reversal of 220284865744 is 447568482022.

It can be written as a sum of positive squares in only one way, i.e., 192791246400 + 27493619344 = 439080^2 + 165812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220284865691 and 220284865700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6883902039 + ... + 6883902070.

It is an arithmetic number, because the mean of its divisors is an integer number (42680192741).

Almost surely, 2^220284865744 is an apocalyptic number.

It is an amenable number.

220284865744 is a deficient number, since it is larger than the sum of its proper divisors (206517061666).

220284865744 is a wasteful number, since it uses less digits than its factorization.

220284865744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13767804117 (or 13767804111 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 52.

The spelling of 220284865744 in words is "two hundred twenty billion, two hundred eighty-four million, eight hundred sixty-five thousand, seven hundred forty-four".