232321020 has 24 divisors (see below), whose sum is σ = 650499024. Its totient is φ = 61952256.

The previous prime is 232321013. The next prime is 232321021. The reversal of 232321020 is 20123232.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232321021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935949 + ... + 1936068.

It is an arithmetic number, because the mean of its divisors is an integer number (27104126).

Almost surely, 2^232321020 is an apocalyptic number.

232321020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232321020 is an abundant number, since it is smaller than the sum of its proper divisors (418178004).

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

232321020 is a wasteful number, since it uses less digits than its factorization.

232321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872029 (or 3872027 counting only the distinct ones).

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

The square root of 232321020 is about 15242.0805666418. The cubic root of 232321020 is about 614.7466469163.

Adding to 232321020 its reverse (20123232), we get a palindrome (252444252).

The spelling of 232321020 in words is "two hundred thirty-two million, three hundred twenty-one thousand, twenty".