1320301332021 has 8 divisors (see below), whose sum is σ = 2011887744064. Its totient is φ = 754457904000.

The previous prime is 1320301331963. The next prime is 1320301332023. The reversal of 1320301332021 is 1202331030231.

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

It is not a de Polignac number, because 1320301332021 - 2¹³ = 1320301323829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 62871492001 = 1320301332021 / (1 + 3 + 2 + 0 + 3 + 0 + 1 + 3 + 3 + 2 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320301332023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31435745980 + ... + 31435746021.

It is an arithmetic number, because the mean of its divisors is an integer number (251485968008).

Almost surely, 2^{1320301332021} is an apocalyptic number.

It is an amenable number.

1320301332021 is a deficient number, since it is larger than the sum of its proper divisors (691586412043).

1320301332021 is an equidigital number, since it uses as much as digits as its factorization.

1320301332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62871492011.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1320301332021 its reverse (1202331030231), we get a palindrome (2522632362252).

The spelling of 1320301332021 in words is "one trillion, three hundred twenty billion, three hundred one million, three hundred thirty-two thousand, twenty-one".