20410120343 has 4 divisors (see below), whose sum is σ = 20570830080. Its totient is φ = 20249410608.

The previous prime is 20410120319. The next prime is 20410120363. The reversal of 20410120343 is 34302101402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20410120343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410120303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80354678 + ... + 80354931.

It is an arithmetic number, because the mean of its divisors is an integer number (5142707520).

Almost surely, 2^20410120343 is an apocalyptic number.

20410120343 is a deficient number, since it is larger than the sum of its proper divisors (160709737).

20410120343 is a wasteful number, since it uses less digits than its factorization.

20410120343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160709736.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20410120343 its reverse (34302101402), we get a palindrome (54712221745).

The spelling of 20410120343 in words is "twenty billion, four hundred ten million, one hundred twenty thousand, three hundred forty-three".