20424200343 has 8 divisors (see below), whose sum is σ = 27261334128. Its totient is φ = 13601600064.

The previous prime is 20424200341. The next prime is 20424200351. The reversal of 20424200343 is 34300242402.

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

It is not a de Polignac number, because 20424200343 - 2¹ = 20424200341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424200341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3630096 + ... + 3635717.

It is an arithmetic number, because the mean of its divisors is an integer number (3407666766).

Almost surely, 2^20424200343 is an apocalyptic number.

20424200343 is a deficient number, since it is larger than the sum of its proper divisors (6837133785).

20424200343 is an equidigital number, since it uses as much as digits as its factorization.

20424200343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266753.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20424200343 its reverse (34300242402), we get a palindrome (54724442745).

The spelling of 20424200343 in words is "twenty billion, four hundred twenty-four million, two hundred thousand, three hundred forty-three".