20000204 has 24 divisors (see below), whose sum is σ = 40218528. Its totient is φ = 8524800.

The previous prime is 20000171. The next prime is 20000213. The reversal of 20000204 is 40200002.

It is a junction number, because it is equal to n+sod(n) for n = 20000191 and 20000200.

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, 3554 + ... + 7254.

It is an arithmetic number, because the mean of its divisors is an integer number (1675772).

Almost surely, 2^20000204 is an apocalyptic number.

It is an amenable number.

20000204 is an abundant number, since it is smaller than the sum of its proper divisors (20218324).

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

20000204 is a wasteful number, since it uses less digits than its factorization.

20000204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 20000204 is about 4472.1587628348. The cubic root of 20000204 is about 271.4426845583.

Adding to 20000204 its reverse (40200002), we get a palindrome (60200206).

The spelling of 20000204 in words is "twenty million, two hundred four", and thus it is an aban number.