20043379321 has 16 divisors (see below), whose sum is σ = 24258818304. Its totient is φ = 16166352384.

The previous prime is 20043379283. The next prime is 20043379331. The reversal of 20043379321 is 12397334002.

It is not a de Polignac number, because 20043379321 - 2⁷ = 20043379193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20043379331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766956 + ... + 792658.

It is an arithmetic number, because the mean of its divisors is an integer number (1516176144).

Almost surely, 2^20043379321 is an apocalyptic number.

It is an amenable number.

20043379321 is a deficient number, since it is larger than the sum of its proper divisors (4215438983).

20043379321 is a wasteful number, since it uses less digits than its factorization.

20043379321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32280.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 20043379321 in words is "twenty billion, forty-three million, three hundred seventy-nine thousand, three hundred twenty-one".