20043379320 has 64 divisors (see below), whose sum is σ = 60953865120. Its totient is φ = 5271681024.

The previous prime is 20043379283. The next prime is 20043379331. The reversal of 20043379320 is 2397334002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1135269 + ... + 1152788.

Almost surely, 2^20043379320 is an apocalyptic number.

20043379320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20043379320 is an abundant number, since it is smaller than the sum of its proper divisors (40910485800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20043379320 is a wasteful number, since it uses less digits than its factorization.

20043379320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288144 (or 2288140 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The spelling of 20043379320 in words is "twenty billion, forty-three million, three hundred seventy-nine thousand, three hundred twenty".