20340302224143 has 48 divisors (see below), whose sum is σ = 30645551304576. Its totient is φ = 11900710846080.

The previous prime is 20340302224127. The next prime is 20340302224153. The reversal of 20340302224143 is 34142220304302.

It is not a de Polignac number, because 20340302224143 - 2⁴ = 20340302224127 is a prime.

It is a super-2 number, since 2×20340302224143² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20340302224143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340302224153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215232780 + ... + 215327262.

It is an arithmetic number, because the mean of its divisors is an integer number (638448985512).

Almost surely, 2^{20340302224143} is an apocalyptic number.

20340302224143 is a deficient number, since it is larger than the sum of its proper divisors (10305249080433).

20340302224143 is a wasteful number, since it uses less digits than its factorization.

20340302224143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102312 (or 102283 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 20340302224143 its reverse (34142220304302), we get a palindrome (54482522528445).

The spelling of 20340302224143 in words is "twenty trillion, three hundred forty billion, three hundred two million, two hundred twenty-four thousand, one hundred forty-three".