220613353550 has 24 divisors (see below), whose sum is σ = 410819728176. Its totient is φ = 88142354240.

The previous prime is 220613353537. The next prime is 220613353559. The reversal of 220613353550 is 55353316022.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220613353550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220613353559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2531402 + ... + 2617101.

It is an arithmetic number, because the mean of its divisors is an integer number (17117488674).

Almost surely, 2^220613353550 is an apocalyptic number.

220613353550 is a deficient number, since it is larger than the sum of its proper divisors (190206374626).

220613353550 is a wasteful number, since it uses less digits than its factorization.

220613353550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149372 (or 5149367 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 220613353550 its reverse (55353316022), we get a palindrome (275966669572).

The spelling of 220613353550 in words is "two hundred twenty billion, six hundred thirteen million, three hundred fifty-three thousand, five hundred fifty".