20856725714 has 48 divisors (see below), whose sum is σ = 36361731840. Its totient is φ = 8940650400.

The previous prime is 20856725699. The next prime is 20856725717. The reversal of 20856725714 is 41752765802.

It is not an unprimeable number, because it can be changed into a prime (20856725717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1015184 + ... + 1035524.

It is an arithmetic number, because the mean of its divisors is an integer number (757536080).

Almost surely, 2^20856725714 is an apocalyptic number.

20856725714 is a deficient number, since it is larger than the sum of its proper divisors (15505006126).

20856725714 is a wasteful number, since it uses less digits than its factorization.

20856725714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20607 (or 20596 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 20856725714 in words is "twenty billion, eight hundred fifty-six million, seven hundred twenty-five thousand, seven hundred fourteen".