20714918825 has 12 divisors (see below), whose sum is σ = 26171151948. Its totient is φ = 16259256000.

The previous prime is 20714918779. The next prime is 20714918839. The reversal of 20714918825 is 52881941702.

It can be written as a sum of positive squares in 6 ways, for example, as 11162281 + 20703756544 = 3341^2 + 143888^2 .

It is not a de Polignac number, because 20714918825 - 2²⁰ = 20713870249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20714918825.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7815626 + ... + 7818275.

It is an arithmetic number, because the mean of its divisors is an integer number (2180929329).

Almost surely, 2^20714918825 is an apocalyptic number.

20714918825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20714918825 is a deficient number, since it is larger than the sum of its proper divisors (5456233123).

20714918825 is a wasteful number, since it uses less digits than its factorization.

20714918825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15633964 (or 15633959 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 20714918825 in words is "twenty billion, seven hundred fourteen million, nine hundred eighteen thousand, eight hundred twenty-five".