20413103243 has 8 divisors (see below), whose sum is σ = 23276479968. Its totient is φ = 17734460544.

The previous prime is 20413103239. The next prime is 20413103297. The reversal of 20413103243 is 34230131402.

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 20413103243 - 2² = 20413103239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20413103443) 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, 46183271 + ... + 46183712.

It is an arithmetic number, because the mean of its divisors is an integer number (2909559996).

Almost surely, 2^20413103243 is an apocalyptic number.

20413103243 is a deficient number, since it is larger than the sum of its proper divisors (2863376725).

20413103243 is a wasteful number, since it uses less digits than its factorization.

20413103243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92367013.

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

Adding to 20413103243 its reverse (34230131402), we get a palindrome (54643234645).

The spelling of 20413103243 in words is "twenty billion, four hundred thirteen million, one hundred three thousand, two hundred forty-three".