320426132 has 24 divisors (see below), whose sum is σ = 639404136. Its totient is φ = 139189248.

The previous prime is 320426123. The next prime is 320426143. The reversal of 320426132 is 231624023.

320426132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4866436 + 315559696 = 2206^2 + 17764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320426098 and 320426107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180353 + ... + 182120.

It is an arithmetic number, because the mean of its divisors is an integer number (26641839).

Almost surely, 2^320426132 is an apocalyptic number.

It is an amenable number.

320426132 is a deficient number, since it is larger than the sum of its proper divisors (318978004).

320426132 is a wasteful number, since it uses less digits than its factorization.

320426132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362507 (or 362505 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 320426132 is about 17900.4506088534. The cubic root of 320426132 is about 684.2938587787.

The spelling of 320426132 in words is "three hundred twenty million, four hundred twenty-six thousand, one hundred thirty-two".