20348343 has 24 divisors (see below), whose sum is σ = 31000320. Its totient is φ = 12841920.

The previous prime is 20348329. The next prime is 20348351. The reversal of 20348343 is 34384302.

It is not a de Polignac number, because 20348343 - 2¹⁶ = 20282807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20348323) 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 23 ways as a sum of consecutive naturals, for example, 13098 + ... + 14568.

It is an arithmetic number, because the mean of its divisors is an integer number (1291680).

Almost surely, 2^20348343 is an apocalyptic number.

20348343 is a deficient number, since it is larger than the sum of its proper divisors (10651977).

20348343 is a wasteful number, since it uses less digits than its factorization.

20348343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 20348343 is about 4510.9137655247. The cubic root of 20348343 is about 273.0086138247.

The spelling of 20348343 in words is "twenty million, three hundred forty-eight thousand, three hundred forty-three".