20004352471727 has 8 divisors (see below), whose sum is σ = 21556554655776. Its totient is φ = 18454065407712.

The previous prime is 20004352471703. The next prime is 20004352471729. The reversal of 20004352471727 is 72717425340002.

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 a de Polignac number, because none of the positive numbers 2^k-20004352471727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004352471729) 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, 478758308 + ... + 478800089.

It is an arithmetic number, because the mean of its divisors is an integer number (2694569331972).

Almost surely, 2^{20004352471727} is an apocalyptic number.

20004352471727 is a deficient number, since it is larger than the sum of its proper divisors (1552202184049).

20004352471727 is a wasteful number, since it uses less digits than its factorization.

20004352471727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957560017.

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 20004352471727 in words is "twenty trillion, four billion, three hundred fifty-two million, four hundred seventy-one thousand, seven hundred twenty-seven".