1320020241232 has 120 divisors (see below), whose sum is σ = 3299609589248. Its totient is φ = 500393583360.

The previous prime is 1320020241227. The next prime is 1320020241233. The reversal of 1320020241232 is 2321420200231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320020241233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 814848 + ... + 1817695.

Almost surely, 2^{1320020241232} is an apocalyptic number.

It is an amenable number.

1320020241232 is an abundant number, since it is smaller than the sum of its proper divisors (1979589348016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320020241232 is a wasteful number, since it uses less digits than its factorization.

1320020241232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632617 (or 2632600 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1320020241232 its reverse (2321420200231), we get a palindrome (3641440441463).

The spelling of 1320020241232 in words is "one trillion, three hundred twenty billion, twenty million, two hundred forty-one thousand, two hundred thirty-two".