20233321329 has 32 divisors (see below), whose sum is σ = 30408182784. Its totient is φ = 11873759040.

The previous prime is 20233321301. The next prime is 20233321343. The reversal of 20233321329 is 92312333202.

It is not a de Polignac number, because 20233321329 - 2⁹ = 20233320817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20233321296 and 20233321305.

It is not an unprimeable number, because it can be changed into a prime (20233321379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262834 + ... + 330980.

It is an arithmetic number, because the mean of its divisors is an integer number (950255712).

Almost surely, 2^20233321329 is an apocalyptic number.

It is an amenable number.

20233321329 is a deficient number, since it is larger than the sum of its proper divisors (10174861455).

20233321329 is a wasteful number, since it uses less digits than its factorization.

20233321329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68517.

The product of its (nonzero) digits is 11664, while the sum is 30.

The spelling of 20233321329 in words is "twenty billion, two hundred thirty-three million, three hundred twenty-one thousand, three hundred twenty-nine".