220553242144450 has 48 divisors (see below), whose sum is σ = 425519504267616. Its totient is φ = 84989232720000.

The previous prime is 220553242144429. The next prime is 220553242144481. The reversal of 220553242144450 is 54441242355022.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 220553242144397 and 220553242144406.

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, 702465676 + ... + 702779575.

It is an arithmetic number, because the mean of its divisors is an integer number (8864989672242).

Almost surely, 2^{220553242144450} is an apocalyptic number.

220553242144450 is a deficient number, since it is larger than the sum of its proper divisors (204966262123166).

220553242144450 is a wasteful number, since it uses less digits than its factorization.

220553242144450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405245379 (or 1405245374 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 43.

Adding to 220553242144450 its reverse (54441242355022), we get a palindrome (274994484499472).

The spelling of 220553242144450 in words is "two hundred twenty trillion, five hundred fifty-three billion, two hundred forty-two million, one hundred forty-four thousand, four hundred fifty".