20043200 has 42 divisors (see below), whose sum is σ = 49322736. Its totient is φ = 8016640.

The previous prime is 20043181. The next prime is 20043211. The reversal of 20043200 is 234002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4664 + ... + 7863.

Almost surely, 2^20043200 is an apocalyptic number.

20043200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20043200 is an abundant number, since it is smaller than the sum of its proper divisors (29279536).

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

20043200 is a wasteful number, since it uses less digits than its factorization.

20043200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12549 (or 12534 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20043200 is about 4476.9632564943. The cubic root of 20043200 is about 271.6370591811.

Adding to 20043200 its reverse (234002), we get a palindrome (20277202).

The spelling of 20043200 in words is "twenty million, forty-three thousand, two hundred".