320433532000 has 96 divisors (see below), whose sum is σ = 806508166464. Its totient is φ = 125047168000.

The previous prime is 320433531911. The next prime is 320433532007. The reversal of 320433532000 is 235334023.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320433532007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812932 + ... + 1140931.

It is an arithmetic number, because the mean of its divisors is an integer number (8401126734).

Almost surely, 2^320433532000 is an apocalyptic number.

It is an amenable number.

320433532000 is an abundant number, since it is smaller than the sum of its proper divisors (486074634464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320433532000 is a wasteful number, since it uses less digits than its factorization.

320433532000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953929 (or 1953911 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 25.

Adding to 320433532000 its reverse (235334023), we get a palindrome (320668866023).

The spelling of 320433532000 in words is "three hundred twenty billion, four hundred thirty-three million, five hundred thirty-two thousand".