330720132 has 12 divisors (see below), whose sum is σ = 771680336. Its totient is φ = 110240040.

The previous prime is 330720119. The next prime is 330720139. The reversal of 330720132 is 231027033.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 330720099 and 330720108.

It is not an unprimeable number, because it can be changed into a prime (330720139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13779994 + ... + 13780017.

Almost surely, 2^330720132 is an apocalyptic number.

It is an amenable number.

330720132 is an abundant number, since it is smaller than the sum of its proper divisors (440960204).

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

330720132 is a wasteful number, since it uses less digits than its factorization.

330720132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27560018 (or 27560016 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 330720132 is about 18185.7123038940. The cubic root of 330720132 is about 691.5446261736.

Adding to 330720132 its reverse (231027033), we get a palindrome (561747165).

The spelling of 330720132 in words is "three hundred thirty million, seven hundred twenty thousand, one hundred thirty-two".