20191714 has 24 divisors (see below), whose sum is σ = 32513940. Its totient is φ = 9386496.

The previous prime is 20191709. The next prime is 20191729. The reversal of 20191714 is 41719102.

It can be written as a sum of positive squares in 6 ways, for example, as 13816089 + 6375625 = 3717^2 + 2525^2 .

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 11 ways as a sum of consecutive naturals, for example, 208114 + ... + 208210.

Almost surely, 2^20191714 is an apocalyptic number.

20191714 is a deficient number, since it is larger than the sum of its proper divisors (12322226).

20191714 is an equidigital number, since it uses as much as digits as its factorization.

20191714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 20191714 is about 4493.5191108974. The cubic root of 20191714 is about 272.3063247999.

The spelling of 20191714 in words is "twenty million, one hundred ninety-one thousand, seven hundred fourteen".