20180204 has 48 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 8568000.

The previous prime is 20180197. The next prime is 20180213. The reversal of 20180204 is 40208102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84317 + ... + 84555.

It is an arithmetic number, because the mean of its divisors is an integer number (856800).

Almost surely, 2^20180204 is an apocalyptic number.

It is an amenable number.

20180204 is an abundant number, since it is smaller than the sum of its proper divisors (20946196).

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

20180204 is a wasteful number, since it uses less digits than its factorization.

20180204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 20180204 is about 4492.2381949313. The cubic root of 20180204 is about 272.2545735134.

Adding to 20180204 its reverse (40208102), we get a palindrome (60388306).

The spelling of 20180204 in words is "twenty million, one hundred eighty thousand, two hundred four".