20410353343 has 4 divisors (see below), whose sum is σ = 20411583408. Its totient is φ = 20409123280.

The previous prime is 20410353331. The next prime is 20410353349. The reversal of 20410353343 is 34335301402.

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

It is a cyclic number.

It is not a de Polignac number, because 20410353343 - 2⁵ = 20410353311 is a prime.

It is a super-2 number, since 2×20410353343² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410353349) 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 3 ways as a sum of consecutive naturals, for example, 589798 + ... + 623443.

It is an arithmetic number, because the mean of its divisors is an integer number (5102895852).

Almost surely, 2^20410353343 is an apocalyptic number.

20410353343 is a deficient number, since it is larger than the sum of its proper divisors (1230065).

20410353343 is a wasteful number, since it uses less digits than its factorization.

20410353343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230064.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 20410353343 its reverse (34335301402), we get a palindrome (54745654745).

The spelling of 20410353343 in words is "twenty billion, four hundred ten million, three hundred fifty-three thousand, three hundred forty-three".