220343304550 has 48 divisors (see below), whose sum is σ = 414100495872. Its totient is φ = 87224256000.

The previous prime is 220343304481. The next prime is 220343304583. The reversal of 220343304550 is 55403343022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2503084 + ... + 2589616.

It is an arithmetic number, because the mean of its divisors is an integer number (8627093664).

Almost surely, 2^220343304550 is an apocalyptic number.

220343304550 is a deficient number, since it is larger than the sum of its proper divisors (193757191322).

220343304550 is a wasteful number, since it uses less digits than its factorization.

220343304550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87073 (or 87068 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 220343304550 its reverse (55403343022), we get a palindrome (275746647572).

The spelling of 220343304550 in words is "two hundred twenty billion, three hundred forty-three million, three hundred four thousand, five hundred fifty".