20714705 has 8 divisors (see below), whose sum is σ = 27117504. Its totient is φ = 15065200.

The previous prime is 20714689. The next prime is 20714711. The reversal of 20714705 is 50741702.

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

It is not a de Polignac number, because 20714705 - 2⁴ = 20714689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188261 + ... + 188370.

It is an arithmetic number, because the mean of its divisors is an integer number (3389688).

Almost surely, 2^20714705 is an apocalyptic number.

It is an amenable number.

20714705 is a deficient number, since it is larger than the sum of its proper divisors (6402799).

20714705 is a wasteful number, since it uses less digits than its factorization.

20714705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376647.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 20714705 is about 4551.3410111746. The cubic root of 20714705 is about 274.6373401296.

It can be divided in two parts, 2071 and 4705, that added together give a palindrome (6776).

The spelling of 20714705 in words is "twenty million, seven hundred fourteen thousand, seven hundred five".