20302023321 has 24 divisors (see below), whose sum is σ = 30758542464. Its totient is φ = 12888681120.

The previous prime is 20302023307. The next prime is 20302023367. The reversal of 20302023321 is 12332020302.

It is a happy number.

20302023321 is a `hidden beast` number, since 20 + 302 + 0 + 23 + 321 = 666.

It is not a de Polignac number, because 20302023321 - 2⁵ = 20302023289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20302023294 and 20302023303.

It is not an unprimeable number, because it can be changed into a prime (20302023421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 632935 + ... + 664236.

It is an arithmetic number, because the mean of its divisors is an integer number (1281605936).

Almost surely, 2^20302023321 is an apocalyptic number.

It is an amenable number.

20302023321 is a deficient number, since it is larger than the sum of its proper divisors (10456519143).

20302023321 is a wasteful number, since it uses less digits than its factorization.

20302023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297261 (or 1297258 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20302023321 its reverse (12332020302), we get a palindrome (32634043623).

The spelling of 20302023321 in words is "twenty billion, three hundred two million, twenty-three thousand, three hundred twenty-one".