20140267 has 8 divisors (see below), whose sum is σ = 23361536. Its totient is φ = 17005032.

The previous prime is 20140243. The next prime is 20140271. The reversal of 20140267 is 76204102.

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

It is a cyclic number.

It is not a de Polignac number, because 20140267 - 2¹¹ = 20138219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20140067) 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 7 ways as a sum of consecutive naturals, for example, 21003 + ... + 21940.

It is an arithmetic number, because the mean of its divisors is an integer number (2920192).

Almost surely, 2^20140267 is an apocalyptic number.

20140267 is a deficient number, since it is larger than the sum of its proper divisors (3221269).

20140267 is an equidigital number, since it uses as much as digits as its factorization.

20140267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43017.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20140267 is about 4487.7908819373. The cubic root of 20140267 is about 272.0748559472.

Adding to 20140267 its reverse (76204102), we get a palindrome (96344369).

The spelling of 20140267 in words is "twenty million, one hundred forty thousand, two hundred sixty-seven".