20140011 has 12 divisors (see below), whose sum is σ = 29130192. Its totient is φ = 13408656.

The previous prime is 20139997. The next prime is 20140027. The reversal of 20140011 is 11004102.

It is a happy number.

It is not a de Polignac number, because 20140011 - 2⁹ = 20139499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20139975 and 20140002.

It is not an unprimeable number, because it can be changed into a prime (20140031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11485 + ... + 13121.

It is an arithmetic number, because the mean of its divisors is an integer number (2427516).

Almost surely, 2^20140011 is an apocalyptic number.

20140011 is a deficient number, since it is larger than the sum of its proper divisors (8990181).

20140011 is a wasteful number, since it uses less digits than its factorization.

20140011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010 (or 3007 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 20140011 is about 4487.7623600186. The cubic root of 20140011 is about 272.0737031744.

Adding to 20140011 its reverse (11004102), we get a palindrome (31144113).

The spelling of 20140011 in words is "twenty million, one hundred forty thousand, eleven".