1320020303021 has 8 divisors (see below), whose sum is σ = 1508602045440. Its totient is φ = 1131440413968.

The previous prime is 1320020303003. The next prime is 1320020303083. The reversal of 1320020303021 is 1203030200231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320020303021 - 2⁶ = 1320020302957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320020303521) 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, 1799855 + ... + 2424771.

It is an arithmetic number, because the mean of its divisors is an integer number (188575255680).

Almost surely, 2^{1320020303021} is an apocalyptic number.

It is an amenable number.

1320020303021 is a deficient number, since it is larger than the sum of its proper divisors (188581742419).

1320020303021 is an equidigital number, since it uses as much as digits as its factorization.

1320020303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926683.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1320020303021 its reverse (1203030200231), we get a palindrome (2523050503252).

The spelling of 1320020303021 in words is "one trillion, three hundred twenty billion, twenty million, three hundred three thousand, twenty-one".