1320224220232 has 32 divisors (see below), whose sum is σ = 2555342737920. Its totient is φ = 638800657920.

The previous prime is 1320224220221. The next prime is 1320224220257. The reversal of 1320224220232 is 2320224220231.

It is a junction number, because it is equal to n+sod(n) for n = 1320224220197 and 1320224220206.

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, 17763613 + ... + 17837779.

It is an arithmetic number, because the mean of its divisors is an integer number (79854460560).

Almost surely, 2^{1320224220232} is an apocalyptic number.

It is an amenable number.

1320224220232 is a deficient number, since it is larger than the sum of its proper divisors (1235118517688).

1320224220232 is a wasteful number, since it uses less digits than its factorization.

1320224220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145981 (or 145977 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1320224220232 its reverse (2320224220231), we get a palindrome (3640448440463).

Subtracting 1320224220232 from its reverse (2320224220231), we obtain a palindrome (999999999999).

The spelling of 1320224220232 in words is "one trillion, three hundred twenty billion, two hundred twenty-four million, two hundred twenty thousand, two hundred thirty-two".