20714345 has 8 divisors (see below), whose sum is σ = 24951240. Its totient is φ = 16508800.

The previous prime is 20714341. The next prime is 20714359. The reversal of 20714345 is 54341702.

It can be written as a sum of positive squares in 4 ways, for example, as 3308761 + 17405584 = 1819^2 + 4172^2 .

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

It is not a de Polignac number, because 20714345 - 2² = 20714341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20714341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6356 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (3118905).

Almost surely, 2^20714345 is an apocalyptic number.

It is an amenable number.

20714345 is a deficient number, since it is larger than the sum of its proper divisors (4236895).

20714345 is a wasteful number, since it uses less digits than its factorization.

20714345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15675.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20714345 is about 4551.3014622194. The cubic root of 20714345 is about 274.6357491500.

The spelling of 20714345 in words is "twenty million, seven hundred fourteen thousand, three hundred forty-five".