20141140 has 24 divisors (see below), whose sum is σ = 44523360. Its totient is φ = 7632288.

The previous prime is 20141111. The next prime is 20141153. The reversal of 20141140 is 4114102.

It is a self number, because there is not a number n which added to its sum of digits gives 20141140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26122 + ... + 26881.

It is an arithmetic number, because the mean of its divisors is an integer number (1855140).

Almost surely, 2^20141140 is an apocalyptic number.

20141140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20141140 is an abundant number, since it is smaller than the sum of its proper divisors (24382220).

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

20141140 is a wasteful number, since it uses less digits than its factorization.

20141140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53031 (or 53029 counting only the distinct ones).

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

The square root of 20141140 is about 4487.8881447737. Note that the first 3 decimals coincide. The cubic root of 20141140 is about 272.0787870093.

Adding to 20141140 its reverse (4114102), we get a palindrome (24255242).

The spelling of 20141140 in words is "twenty million, one hundred forty-one thousand, one hundred forty".