20741343 has 16 divisors (see below), whose sum is σ = 33465600. Its totient is φ = 11154816.

The previous prime is 20741341. The next prime is 20741363. The reversal of 20741343 is 34314702.

It is not a de Polignac number, because 20741343 - 2¹ = 20741341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20741341) 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 15 ways as a sum of consecutive naturals, for example, 28693 + ... + 29406.

It is an arithmetic number, because the mean of its divisors is an integer number (2091600).

Almost surely, 2^20741343 is an apocalyptic number.

20741343 is a deficient number, since it is larger than the sum of its proper divisors (12724257).

20741343 is a wasteful number, since it uses less digits than its factorization.

20741343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58126.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20741343 is about 4554.2664612427. The cubic root of 20741343 is about 274.7550126687.

The spelling of 20741343 in words is "twenty million, seven hundred forty-one thousand, three hundred forty-three".