20244200 has 24 divisors (see below), whose sum is σ = 47068230. Its totient is φ = 8097600.

The previous prime is 20244199. The next prime is 20244239. The reversal of 20244200 is 244202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8561476 + 11682724 = 2926^2 + 3418^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50411 + ... + 50810.

Almost surely, 2^20244200 is an apocalyptic number.

20244200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20244200 is an abundant number, since it is smaller than the sum of its proper divisors (26824030).

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

20244200 is a wasteful number, since it uses less digits than its factorization.

20244200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101237 (or 101228 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 20244200 is about 4499.3555094035. The cubic root of 20244200 is about 272.5420634784.

Adding to 20244200 its reverse (244202), we get a palindrome (20488402).

The spelling of 20244200 in words is "twenty million, two hundred forty-four thousand, two hundred".