20144116 has 12 divisors (see below), whose sum is σ = 37325988. Its totient is φ = 9479552.

The previous prime is 20144107. The next prime is 20144119. The reversal of 20144116 is 61144102.

It can be written as a sum of positive squares in 2 ways, for example, as 14092516 + 6051600 = 3754^2 + 2460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20144093 and 20144102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144119) 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, 148051 + ... + 148186.

It is an arithmetic number, because the mean of its divisors is an integer number (3110499).

Almost surely, 2^20144116 is an apocalyptic number.

It is an amenable number.

20144116 is a deficient number, since it is larger than the sum of its proper divisors (17181872).

20144116 is a wasteful number, since it uses less digits than its factorization.

20144116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296258 (or 296256 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20144116 is about 4488.2196915926. The cubic root of 20144116 is about 272.0921868895.

Adding to 20144116 its reverse (61144102), we get a palindrome (81288218).

The spelling of 20144116 in words is "twenty million, one hundred forty-four thousand, one hundred sixteen".