230020221 has 8 divisors (see below), whose sum is σ = 308575840. Its totient is φ = 152405712.

The previous prime is 230020207. The next prime is 230020223. The reversal of 230020221 is 122020032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230020221 - 2⁹ = 230019709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230020197 and 230020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230020223) 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, 234706 + ... + 235683.

It is an arithmetic number, because the mean of its divisors is an integer number (38571980).

Almost surely, 2^230020221 is an apocalyptic number.

It is an amenable number.

230020221 is a deficient number, since it is larger than the sum of its proper divisors (78555619).

230020221 is a wasteful number, since it uses less digits than its factorization.

230020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470555.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 230020221 is about 15166.4175400785. The cubic root of 230020221 is about 612.7105224407.

Adding to 230020221 its reverse (122020032), we get a palindrome (352040253).

The spelling of 230020221 in words is "two hundred thirty million, twenty thousand, two hundred twenty-one".