20114140 has 24 divisors (see below), whose sum is σ = 42934752. Its totient is φ = 7913280.

The previous prime is 20114131. The next prime is 20114161. The reversal of 20114140 is 4141102.

It is a self number, because there is not a number n which added to its sum of digits gives 20114140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7024 + ... + 9463.

It is an arithmetic number, because the mean of its divisors is an integer number (1788948).

Almost surely, 2^20114140 is an apocalyptic number.

20114140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20114140 is an abundant number, since it is smaller than the sum of its proper divisors (22820612).

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

20114140 is a wasteful number, since it uses less digits than its factorization.

20114140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16557 (or 16555 counting only the distinct ones).

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

The square root of 20114140 is about 4484.8790396175. The cubic root of 20114140 is about 271.9571551604.

Adding to 20114140 its reverse (4141102), we get a palindrome (24255242).

It can be divided in two parts, 201 and 14140, that added together give a palindrome (14341).

The spelling of 20114140 in words is "twenty million, one hundred fourteen thousand, one hundred forty".