320120203001 has 4 divisors (see below), whose sum is σ = 320121467904. Its totient is φ = 320118938100.

The previous prime is 320120202979. The next prime is 320120203069. The reversal of 320120203001 is 100302021023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 320120203001 - 2³⁰ = 319046461177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320120203901) 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 3 ways as a sum of consecutive naturals, for example, 107705 + ... + 807366.

It is an arithmetic number, because the mean of its divisors is an integer number (80030366976).

Almost surely, 2^320120203001 is an apocalyptic number.

It is an amenable number.

320120203001 is a deficient number, since it is larger than the sum of its proper divisors (1264903).

320120203001 is an equidigital number, since it uses as much as digits as its factorization.

320120203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264902.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 320120203001 its reverse (100302021023), we get a palindrome (420422224024).

The spelling of 320120203001 in words is "three hundred twenty billion, one hundred twenty million, two hundred three thousand, one".