632231320 has 160 divisors (see below), whose sum is σ = 1724295600. Its totient is φ = 208368384.

The previous prime is 632231317. The next prime is 632231323. The reversal of 632231320 is 23132236.

632231320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (632231317) and next prime (632231323).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 632231291 and 632231300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632231323) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2785047 + ... + 2785273.

Almost surely, 2^632231320 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 632231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862147800).

632231320 is an abundant number, since it is smaller than the sum of its proper divisors (1092064280).

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

632231320 is a wasteful number, since it uses less digits than its factorization.

632231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 632231320 is about 25144.2104668252. The cubic root of 632231320 is about 858.2727727614.

Adding to 632231320 its reverse (23132236), we get a palindrome (655363556).

The spelling of 632231320 in words is "six hundred thirty-two million, two hundred thirty-one thousand, three hundred twenty".