20011432343 has 8 divisors (see below), whose sum is σ = 24215514912. Its totient is φ = 16143676416.

The previous prime is 20011432333. The next prime is 20011432361. The reversal of 20011432343 is 34323411002.

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

It is not a de Polignac number, because 20011432343 - 2⁸ = 20011432087 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 (20011432303) 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, 84081530 + ... + 84081767.

It is an arithmetic number, because the mean of its divisors is an integer number (3026939364).

Almost surely, 2^20011432343 is an apocalyptic number.

20011432343 is a deficient number, since it is larger than the sum of its proper divisors (4204082569).

20011432343 is a wasteful number, since it uses less digits than its factorization.

20011432343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168163321.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20011432343 its reverse (34323411002), we get a palindrome (54334843345).

The spelling of 20011432343 in words is "twenty billion, eleven million, four hundred thirty-two thousand, three hundred forty-three".