20030230321 has 4 divisors (see below), whose sum is σ = 20090744944. Its totient is φ = 19969715700.

The previous prime is 20030230307. The next prime is 20030230351. The reversal of 20030230321 is 12303203002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20030230321 - 2¹⁵ = 20030197553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20030230295 and 20030230304.

It is not an unprimeable number, because it can be changed into a prime (20030230351) 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, 30256815 + ... + 30257476.

It is an arithmetic number, because the mean of its divisors is an integer number (5022686236).

Almost surely, 2^20030230321 is an apocalyptic number.

It is an amenable number.

20030230321 is a deficient number, since it is larger than the sum of its proper divisors (60514623).

20030230321 is an equidigital number, since it uses as much as digits as its factorization.

20030230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60514622.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20030230321 its reverse (12303203002), we get a palindrome (32333433323).

The spelling of 20030230321 in words is "twenty billion, thirty million, two hundred thirty thousand, three hundred twenty-one".