20134021343 has 8 divisors (see below), whose sum is σ = 20730285312. Its totient is φ = 19540499616.

The previous prime is 20134021339. The next prime is 20134021361. The reversal of 20134021343 is 34312043102.

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

It is a cyclic number.

It is not a de Polignac number, because 20134021343 - 2² = 20134021339 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 (20134021333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670655 + ... + 700032.

It is an arithmetic number, because the mean of its divisors is an integer number (2591285664).

Almost surely, 2^20134021343 is an apocalyptic number.

20134021343 is a deficient number, since it is larger than the sum of its proper divisors (596263969).

20134021343 is a wasteful number, since it uses less digits than its factorization.

20134021343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371121.

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

Adding to 20134021343 its reverse (34312043102), we get a palindrome (54446064445).

The spelling of 20134021343 in words is "twenty billion, one hundred thirty-four million, twenty-one thousand, three hundred forty-three".