220513251344 has 40 divisors (see below), whose sum is σ = 439211909472. Its totient is φ = 107187252480.

The previous prime is 220513251317. The next prime is 220513251349. The reversal of 220513251344 is 443152315022.

220513251344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220513251344.

It is not an unprimeable number, because it can be changed into a prime (220513251349) 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 7 ways as a sum of consecutive naturals, for example, 408254 + ... + 779549.

Almost surely, 2^220513251344 is an apocalyptic number.

It is an amenable number.

220513251344 is a deficient number, since it is larger than the sum of its proper divisors (218698658128).

220513251344 is a wasteful number, since it uses less digits than its factorization.

220513251344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188135 (or 1188129 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 220513251344 its reverse (443152315022), we get a palindrome (663665566366).

The spelling of 220513251344 in words is "two hundred twenty billion, five hundred thirteen million, two hundred fifty-one thousand, three hundred forty-four".