20144011 has 4 divisors (see below), whose sum is σ = 20153224. Its totient is φ = 20134800.

The previous prime is 20143999. The next prime is 20144023. The reversal of 20144011 is 11044102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (20143999) and next prime (20144023).

It is a cyclic number.

It is not a de Polignac number, because 20144011 - 2⁵ = 20143979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20143982 and 20144000.

It is not an unprimeable number, because it can be changed into a prime (20144051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751 + ... + 6391.

It is an arithmetic number, because the mean of its divisors is an integer number (5038306).

Almost surely, 2^20144011 is an apocalyptic number.

20144011 is a deficient number, since it is larger than the sum of its proper divisors (9213).

20144011 is an equidigital number, since it uses as much as digits as its factorization.

20144011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 20144011 is about 4488.2079942890. The cubic root of 20144011 is about 272.0917141340.

Adding to 20144011 its reverse (11044102), we get a palindrome (31188113).

Subtracting from 20144011 its reverse (11044102), we obtain a palindrome (9099909).

The spelling of 20144011 in words is "twenty million, one hundred forty-four thousand, eleven".