20114136 has 128 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 5616000.

The previous prime is 20114131. The next prime is 20114161. The reversal of 20114136 is 63141102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114131) 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 31 ways as a sum of consecutive naturals, for example, 80011 + ... + 80261.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^20114136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20114136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32659200).

20114136 is an abundant number, since it is smaller than the sum of its proper divisors (45204264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20114136 is a wasteful number, since it uses less digits than its factorization.

20114136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 20114136 is about 4484.8785936745. The cubic root of 20114136 is about 271.9571371328.

Adding to 20114136 its reverse (63141102), we get a palindrome (83255238).

The spelling of 20114136 in words is "twenty million, one hundred fourteen thousand, one hundred thirty-six".