20471043233459 has 8 divisors (see below), whose sum is σ = 25195130133600. Its totient is φ = 16196869371456.

The previous prime is 20471043233449. The next prime is 20471043233479. The reversal of 20471043233459 is 95433234017402.

It is a happy number.

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 20471043233459 - 2⁴⁰ = 19371531605683 is a prime.

It is a super-2 number, since 2×20471043233459² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20471043233449) 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, 112478259434 + ... + 112478259615.

It is an arithmetic number, because the mean of its divisors is an integer number (3149391266700).

Almost surely, 2^{20471043233459} is an apocalyptic number.

20471043233459 is a deficient number, since it is larger than the sum of its proper divisors (4724086900141).

20471043233459 is a wasteful number, since it uses less digits than its factorization.

20471043233459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224956519069.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 20471043233459 in words is "twenty trillion, four hundred seventy-one billion, forty-three million, two hundred thirty-three thousand, four hundred fifty-nine".