20880343 has 8 divisors (see below), whose sum is σ = 23769216. Its totient is φ = 18156600.

The previous prime is 20880323. The next prime is 20880347. The reversal of 20880343 is 34308802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20880343 - 2¹³ = 20872151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20880347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41013 + ... + 41518.

It is an arithmetic number, because the mean of its divisors is an integer number (2971152).

Almost surely, 2^20880343 is an apocalyptic number.

20880343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20880343 is a deficient number, since it is larger than the sum of its proper divisors (2888873).

20880343 is a wasteful number, since it uses less digits than its factorization.

20880343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82565.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20880343 is about 4569.5013951196. The cubic root of 20880343 is about 275.3674119334.

The spelling of 20880343 in words is "twenty million, eight hundred eighty thousand, three hundred forty-three".