20040141 has 12 divisors (see below), whose sum is σ = 29370656. Its totient is φ = 12145320.

The previous prime is 20040133. The next prime is 20040151. The reversal of 20040141 is 14104002.

It is not a de Polignac number, because 20040141 - 2³ = 20040133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040151) 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 11 ways as a sum of consecutive naturals, for example, 27241 + ... + 27966.

Almost surely, 2^20040141 is an apocalyptic number.

It is an amenable number.

20040141 is a deficient number, since it is larger than the sum of its proper divisors (9330515).

20040141 is a wasteful number, since it uses less digits than its factorization.

20040141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55232 (or 55221 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20040141 is about 4476.6216056307. The cubic root of 20040141 is about 271.6232393646.

Adding to 20040141 its reverse (14104002), we get a palindrome (34144143).

The spelling of 20040141 in words is "twenty million, forty thousand, one hundred forty-one".