1220143320224 has 24 divisors (see below), whose sum is σ = 2404865399328. Its totient is φ = 609383853760.

The previous prime is 1220143320173. The next prime is 1220143320229. The reversal of 1220143320224 is 4220233410221.

It is a junction number, because it is equal to n+sod(n) for n = 1220143320193 and 1220143320202.

It is not an unprimeable number, because it can be changed into a prime (1220143320229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21465122 + ... + 21521889.

It is an arithmetic number, because the mean of its divisors is an integer number (100202724972).

Almost surely, 2^{1220143320224} is an apocalyptic number.

It is an amenable number.

1220143320224 is a deficient number, since it is larger than the sum of its proper divisors (1184722079104).

1220143320224 is an equidigital number, since it uses as much as digits as its factorization.

1220143320224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42987908 (or 42987900 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1220143320224 its reverse (4220233410221), we get a palindrome (5440376730445).

The spelling of 1220143320224 in words is "one trillion, two hundred twenty billion, one hundred forty-three million, three hundred twenty thousand, two hundred twenty-four".