20030104 has 16 divisors (see below), whose sum is σ = 39533400. Its totient is φ = 9487872.

The previous prime is 20030089. The next prime is 20030107. The reversal of 20030104 is 40103002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030107) 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, 65737 + ... + 66040.

Almost surely, 2^20030104 is an apocalyptic number.

It is an amenable number.

20030104 is a deficient number, since it is larger than the sum of its proper divisors (19503296).

20030104 is a wasteful number, since it uses less digits than its factorization.

20030104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131802 (or 131798 counting only the distinct ones).

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

The square root of 20030104 is about 4475.5004189476. The cubic root of 20030104 is about 271.5778847647.

Adding to 20030104 its reverse (40103002), we get a palindrome (60133106).

The spelling of 20030104 in words is "twenty million, thirty thousand, one hundred four".