320433532 has 12 divisors (see below), whose sum is σ = 574436016. Its totient is φ = 156308960.

The previous prime is 320433521. The next prime is 320433571. The reversal of 320433532 is 235334023.

It is a junction number, because it is equal to n+sod(n) for n = 320433497 and 320433506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976768 + ... + 977095.

It is an arithmetic number, because the mean of its divisors is an integer number (47869668).

Almost surely, 2^320433532 is an apocalyptic number.

It is an amenable number.

320433532 is a deficient number, since it is larger than the sum of its proper divisors (254002484).

320433532 is a wasteful number, since it uses less digits than its factorization.

320433532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953908 (or 1953906 counting only the distinct ones).

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

The square root of 320433532 is about 17900.6573063673. The cubic root of 320433532 is about 684.2991264884.

Adding to 320433532 its reverse (235334023), we get a palindrome (555767555).

The spelling of 320433532 in words is "three hundred twenty million, four hundred thirty-three thousand, five hundred thirty-two".