20004352467745 has 8 divisors (see below), whose sum is σ = 24006257942184. Its totient is φ = 16002791986944.

The previous prime is 20004352467727. The next prime is 20004352467769. The reversal of 20004352467745 is 54776425340002.

It can be written as a sum of positive squares in 4 ways, for example, as 476287698496 + 19528064769249 = 690136^2 + 4419057^2 .

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 20004352467745 - 2⁹ = 20004352467233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86120824 + ... + 86352793.

It is an arithmetic number, because the mean of its divisors is an integer number (3000782242773).

Almost surely, 2^{20004352467745} is an apocalyptic number.

It is an amenable number.

20004352467745 is a deficient number, since it is larger than the sum of its proper divisors (4001905474439).

20004352467745 is a wasteful number, since it uses less digits than its factorization.

20004352467745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172496819.

The product of its (nonzero) digits is 5644800, while the sum is 49.

The spelling of 20004352467745 in words is "twenty trillion, four billion, three hundred fifty-two million, four hundred sixty-seven thousand, seven hundred forty-five".