20405092367793 has 8 divisors (see below), whose sum is σ = 31093474084288. Its totient is φ = 11660052781584.

The previous prime is 20405092367771. The next prime is 20405092367813. The reversal of 20405092367793 is 39776329050402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20405092367793 - 2⁹ = 20405092367281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20405092367293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485835532546 + ... + 485835532587.

It is an arithmetic number, because the mean of its divisors is an integer number (3886684260536).

Almost surely, 2^{20405092367793} is an apocalyptic number.

It is an amenable number.

20405092367793 is a deficient number, since it is larger than the sum of its proper divisors (10688381716495).

20405092367793 is an equidigital number, since it uses as much as digits as its factorization.

20405092367793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971671065143.

The product of its (nonzero) digits is 17146080, while the sum is 57.

The spelling of 20405092367793 in words is "twenty trillion, four hundred five billion, ninety-two million, three hundred sixty-seven thousand, seven hundred ninety-three".