20927579403 has 8 divisors (see below), whose sum is σ = 27978248848. Its totient is φ = 13914314784.

The previous prime is 20927579383. The next prime is 20927579441. The reversal of 20927579403 is 30497572902.

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

It is not a de Polignac number, because 20927579403 - 2⁶ = 20927579339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20927578403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9349900 + ... + 9352137.

It is an arithmetic number, because the mean of its divisors is an integer number (3497281106).

Almost surely, 2^20927579403 is an apocalyptic number.

20927579403 is a deficient number, since it is larger than the sum of its proper divisors (7050669445).

20927579403 is a wasteful number, since it uses less digits than its factorization.

20927579403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18702413.

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 20927579403 in words is "twenty billion, nine hundred twenty-seven million, five hundred seventy-nine thousand, four hundred three".