20488343 has 8 divisors (see below), whose sum is σ = 21182112. Its totient is φ = 19802016.

The previous prime is 20488337. The next prime is 20488367. The reversal of 20488343 is 34388402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20488343 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 (20488313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4046 + ... + 7572.

It is an arithmetic number, because the mean of its divisors is an integer number (2647764).

Almost surely, 2^20488343 is an apocalyptic number.

20488343 is a deficient number, since it is larger than the sum of its proper divisors (693769).

20488343 is a wasteful number, since it uses less digits than its factorization.

20488343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 20488343 is about 4526.4050857165. The cubic root of 20488343 is about 273.6332983238.

The spelling of 20488343 in words is "twenty million, four hundred eighty-eight thousand, three hundred forty-three".