320033003421 has 16 divisors (see below), whose sum is σ = 438391350848. Its totient is φ = 207518889600.

The previous prime is 320033003371. The next prime is 320033003467. The reversal of 320033003421 is 124300330023.

It is not a de Polignac number, because 320033003421 - 2²² = 320028809117 is a prime.

It is a super-2 number, since 2×320033003421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320033003021) 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 15 ways as a sum of consecutive naturals, for example, 155440 + ... + 815001.

It is an arithmetic number, because the mean of its divisors is an integer number (27399459428).

Almost surely, 2^320033003421 is an apocalyptic number.

It is an amenable number.

320033003421 is a deficient number, since it is larger than the sum of its proper divisors (118358347427).

320033003421 is a wasteful number, since it uses less digits than its factorization.

320033003421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973452.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 320033003421 its reverse (124300330023), we get a palindrome (444333333444).

The spelling of 320033003421 in words is "three hundred twenty billion, thirty-three million, three thousand, four hundred twenty-one".