20348215727 has 8 divisors (see below), whose sum is σ = 23636335392. Its totient is φ = 17155404000.

The previous prime is 20348215703. The next prime is 20348215733. The reversal of 20348215727 is 72751284302.

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

It is not a de Polignac number, because 20348215727 - 2¹⁴ = 20348199343 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 (20348235727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23826524 + ... + 23827377.

It is an arithmetic number, because the mean of its divisors is an integer number (2954541924).

Almost surely, 2^20348215727 is an apocalyptic number.

20348215727 is a deficient number, since it is larger than the sum of its proper divisors (3288119665).

20348215727 is an equidigital number, since it uses as much as digits as its factorization.

20348215727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47653969.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 20348215727 in words is "twenty billion, three hundred forty-eight million, two hundred fifteen thousand, seven hundred twenty-seven".