20003104 has 24 divisors (see below), whose sum is σ = 42961968. Its totient is φ = 9092160.

The previous prime is 20003089. The next prime is 20003107. The reversal of 20003104 is 40130002.

It is not an unprimeable number, because it can be changed into a prime (20003107) 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, 28062 + ... + 28765.

It is an arithmetic number, because the mean of its divisors is an integer number (1790082).

Almost surely, 2^20003104 is an apocalyptic number.

It is an amenable number.

20003104 is an abundant number, since it is smaller than the sum of its proper divisors (22958864).

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

20003104 is a wasteful number, since it uses less digits than its factorization.

20003104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56848 (or 56840 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20003104 is about 4472.4829792857. The cubic root of 20003104 is about 271.4558035202.

Adding to 20003104 its reverse (40130002), we get a palindrome (60133106).

The spelling of 20003104 in words is "twenty million, three thousand, one hundred four".