320610132 has 36 divisors (see below), whose sum is σ = 812759220. Its totient is φ = 106563072.

The previous prime is 320610127. The next prime is 320610137. The reversal of 320610132 is 231016023.

320610132 is a `hidden beast` number, since 3 + 20 + 610 + 1 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (320610127) and next prime (320610137).

It can be written as a sum of positive squares in 2 ways, for example, as 64738116 + 255872016 = 8046^2 + 15996^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320610137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94 + ... + 25322.

It is an arithmetic number, because the mean of its divisors is an integer number (22576645).

Almost surely, 2^320610132 is an apocalyptic number.

It is an amenable number.

320610132 is an abundant number, since it is smaller than the sum of its proper divisors (492149088).

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

320610132 is a wasteful number, since it uses less digits than its factorization.

320610132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25592 (or 25587 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 320610132 is about 17905.5894066629. The cubic root of 320610132 is about 684.4248156145.

Adding to 320610132 its reverse (231016023), we get a palindrome (551626155).

The spelling of 320610132 in words is "three hundred twenty million, six hundred ten thousand, one hundred thirty-two".