232021320 has 32 divisors (see below), whose sum is σ = 696064320. Its totient is φ = 61872320.

The previous prime is 232021291. The next prime is 232021357. The reversal of 232021320 is 23120232.

232021320 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 232021320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966636 + ... + 966875.

It is an arithmetic number, because the mean of its divisors is an integer number (21752010).

Almost surely, 2^232021320 is an apocalyptic number.

232021320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232021320 is an abundant number, since it is smaller than the sum of its proper divisors (464043000).

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

232021320 is a wasteful number, since it uses less digits than its factorization.

232021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933525 (or 1933521 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 232021320 is about 15232.2460589369. The cubic root of 232021320 is about 614.4821869154.

Adding to 232021320 its reverse (23120232), we get a palindrome (255141552).

The spelling of 232021320 in words is "two hundred thirty-two million, twenty-one thousand, three hundred twenty".