20140104 has 32 divisors (see below), whose sum is σ = 53313120. Its totient is φ = 6318336.

The previous prime is 20140097. The next prime is 20140151. The reversal of 20140104 is 40104102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20140104.

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, 24274 + ... + 25089.

It is an arithmetic number, because the mean of its divisors is an integer number (1666035).

Almost surely, 2^20140104 is an apocalyptic number.

20140104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20140104 is an abundant number, since it is smaller than the sum of its proper divisors (33173016).

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

20140104 is a wasteful number, since it uses less digits than its factorization.

20140104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49389 (or 49385 counting only the distinct ones).

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

The square root of 20140104 is about 4487.7727215179. The cubic root of 20140104 is about 272.0741219563.

Adding to 20140104 its reverse (40104102), we get a palindrome (60244206).

The spelling of 20140104 in words is "twenty million, one hundred forty thousand, one hundred four".