20570714 has 8 divisors (see below), whose sum is σ = 32671188. Its totient is φ = 9680320.

The previous prime is 20570713. The next prime is 20570723. The reversal of 20570714 is 41707502.

It can be written as a sum of positive squares in 2 ways, for example, as 20566225 + 4489 = 4535^2 + 67^2 .

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 (20570713) 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 3 ways as a sum of consecutive naturals, for example, 302477 + ... + 302544.

Almost surely, 2^20570714 is an apocalyptic number.

20570714 is a deficient number, since it is larger than the sum of its proper divisors (12100474).

20570714 is a wasteful number, since it uses less digits than its factorization.

20570714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605040.

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

The square root of 20570714 is about 4535.4949013311. The cubic root of 20570714 is about 273.9995116051. Note that the first 3 decimals are identical.

The spelling of 20570714 in words is "twenty million, five hundred seventy thousand, seven hundred fourteen".