20714685 has 16 divisors (see below), whose sum is σ = 33688320. Its totient is φ = 10866240.

The previous prime is 20714663. The next prime is 20714689. The reversal of 20714685 is 58641702.

It is not a de Polignac number, because 20714685 - 2⁶ = 20714621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20714689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10405 + ... + 12234.

It is an arithmetic number, because the mean of its divisors is an integer number (2105520).

Almost surely, 2^20714685 is an apocalyptic number.

It is an amenable number.

20714685 is a deficient number, since it is larger than the sum of its proper divisors (12973635).

20714685 is a wasteful number, since it uses less digits than its factorization.

20714685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22708.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 20714685 is about 4551.3388140195. The cubic root of 20714685 is about 274.6372517423.

The spelling of 20714685 in words is "twenty million, seven hundred fourteen thousand, six hundred eighty-five".