230421020 has 12 divisors (see below), whose sum is σ = 483884184. Its totient is φ = 92168400.

The previous prime is 230421013. The next prime is 230421029. The reversal of 230421020 is 20124032.

It is a junction number, because it is equal to n+sod(n) for n = 230420986 and 230421004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230421029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5760506 + ... + 5760545.

It is an arithmetic number, because the mean of its divisors is an integer number (40323682).

Almost surely, 2^230421020 is an apocalyptic number.

230421020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230421020 is an abundant number, since it is smaller than the sum of its proper divisors (253463164).

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

230421020 is a wasteful number, since it uses less digits than its factorization.

230421020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11521060 (or 11521058 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 230421020 is about 15179.6251600624. The cubic root of 230421020 is about 613.0661886630.

Adding to 230421020 its reverse (20124032), we get a palindrome (250545052).

The spelling of 230421020 in words is "two hundred thirty million, four hundred twenty-one thousand, twenty".