20201230321 has 16 divisors (see below), whose sum is σ = 21618984960. Its totient is φ = 18834298560.

The previous prime is 20201230319. The next prime is 20201230327. The reversal of 20201230321 is 12303210202.

It is a cyclic number.

It is not a de Polignac number, because 20201230321 - 2¹ = 20201230319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20201230295 and 20201230304.

It is not an unprimeable number, because it can be changed into a prime (20201230327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391971 + ... + 440503.

It is an arithmetic number, because the mean of its divisors is an integer number (1351186560).

Almost surely, 2^20201230321 is an apocalyptic number.

It is an amenable number.

20201230321 is a deficient number, since it is larger than the sum of its proper divisors (1417754639).

20201230321 is a wasteful number, since it uses less digits than its factorization.

20201230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49056.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20201230321 its reverse (12303210202), we get a palindrome (32504440523).

The spelling of 20201230321 in words is "twenty billion, two hundred one million, two hundred thirty thousand, three hundred twenty-one".