20041384 has 16 divisors (see below), whose sum is σ = 40993920. Its totient is φ = 9109680.

The previous prime is 20041379. The next prime is 20041387. The reversal of 20041384 is 48314002.

It is a super-3 number, since 3×20041384³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20041387) 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, 113784 + ... + 113959.

It is an arithmetic number, because the mean of its divisors is an integer number (2562120).

Almost surely, 2^20041384 is an apocalyptic number.

It is an amenable number.

20041384 is an abundant number, since it is smaller than the sum of its proper divisors (20952536).

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

20041384 is a wasteful number, since it uses less digits than its factorization.

20041384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227760 (or 227756 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20041384 is about 4476.7604358509. The cubic root of 20041384 is about 271.6288551053.

Adding to 20041384 its reverse (48314002), we get a palindrome (68355386).

The spelling of 20041384 in words is "twenty million, forty-one thousand, three hundred eighty-four".