320011032 has 64 divisors (see below), whose sum is σ = 889263360. Its totient is φ = 95139200.

The previous prime is 320010997. The next prime is 320011037. The reversal of 320011032 is 230110023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 320010999 and 320011017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320011037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2557 + ... + 25427.

It is an arithmetic number, because the mean of its divisors is an integer number (13894740).

Almost surely, 2^320011032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320011032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444631680).

320011032 is an abundant number, since it is smaller than the sum of its proper divisors (569252328).

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

320011032 is a wasteful number, since it uses less digits than its factorization.

320011032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22944 (or 22940 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 320011032 is about 17888.8521711148. The cubic root of 320011032 is about 683.9982387698.

Adding to 320011032 its reverse (230110023), we get a palindrome (550121055).

It can be divided in two parts, 32001 and 1032, that added together give a palindrome (33033).

The spelling of 320011032 in words is "three hundred twenty million, eleven thousand, thirty-two".