1420443203321 has 8 divisors (see below), whose sum is σ = 1447507307520. Its totient is φ = 1393388850672.

The previous prime is 1420443203303. The next prime is 1420443203323. The reversal of 1420443203321 is 1233023440241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420443203321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420443203323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143451 + ... + 2726768.

It is an arithmetic number, because the mean of its divisors is an integer number (180938413440).

Almost surely, 2^{1420443203321} is an apocalyptic number.

It is an amenable number.

1420443203321 is a deficient number, since it is larger than the sum of its proper divisors (27064104199).

1420443203321 is an equidigital number, since it uses as much as digits as its factorization.

1420443203321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875775.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1420443203321 its reverse (1233023440241), we get a palindrome (2653466643562).

The spelling of 1420443203321 in words is "one trillion, four hundred twenty billion, four hundred forty-three million, two hundred three thousand, three hundred twenty-one".