220553242144444 has 24 divisors (see below), whose sum is σ = 421656840377136. Its totient is φ = 100108461600000.

The previous prime is 220553242144429. The next prime is 220553242144481. The reversal of 220553242144444 is 444441242355022.

It is a junction number, because it is equal to n+sod(n) for n = 220553242144394 and 220553242144403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3575271357 + ... + 3575333044.

It is an arithmetic number, because the mean of its divisors is an integer number (17569035015714).

Almost surely, 2^{220553242144444} is an apocalyptic number.

It is an amenable number.

220553242144444 is a deficient number, since it is larger than the sum of its proper divisors (201103598232692).

220553242144444 is a wasteful number, since it uses less digits than its factorization.

220553242144444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150605117 (or 7150605115 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 46.

Adding to 220553242144444 its reverse (444441242355022), we get a palindrome (664994484499466).

The spelling of 220553242144444 in words is "two hundred twenty trillion, five hundred fifty-three billion, two hundred forty-two million, one hundred forty-four thousand, four hundred forty-four".