20714138 has 8 divisors (see below), whose sum is σ = 32073600. Its totient is φ = 10022940.

The previous prime is 20714137. The next prime is 20714147. The reversal of 20714138 is 83141702.

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

It is not an unprimeable number, because it can be changed into a prime (20714131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 166988 + ... + 167111.

It is an arithmetic number, because the mean of its divisors is an integer number (4009200).

Almost surely, 2^20714138 is an apocalyptic number.

20714138 is a deficient number, since it is larger than the sum of its proper divisors (11359462).

20714138 is a wasteful number, since it uses less digits than its factorization.

20714138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334132.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 20714138 is about 4551.2787214145. The cubic root of 20714138 is about 274.6348343285.

The spelling of 20714138 in words is "twenty million, seven hundred fourteen thousand, one hundred thirty-eight".