320198132 has 12 divisors (see below), whose sum is σ = 578422656. Its totient is φ = 154934520.

The previous prime is 320198119. The next prime is 320198141. The reversal of 320198132 is 231891023.

It is a junction number, because it is equal to n+sod(n) for n = 320198095 and 320198104.

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, 1290998 + ... + 1291245.

It is an arithmetic number, because the mean of its divisors is an integer number (48201888).

Almost surely, 2^320198132 is an apocalyptic number.

It is an amenable number.

320198132 is a deficient number, since it is larger than the sum of its proper divisors (258224524).

320198132 is a wasteful number, since it uses less digits than its factorization.

320198132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582278 (or 2582276 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 320198132 is about 17894.0809207961. The cubic root of 320198132 is about 684.1315166099.

The spelling of 320198132 in words is "three hundred twenty million, one hundred ninety-eight thousand, one hundred thirty-two".