20027200 has 42 divisors (see below), whose sum is σ = 49283366. Its totient is φ = 8010240.

The previous prime is 20027179. The next prime is 20027213. The reversal of 20027200 is 272002.

It can be written as a sum of positive squares in 3 ways, for example, as 4910656 + 15116544 = 2216^2 + 3888^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4659 + ... + 7858.

Almost surely, 2^20027200 is an apocalyptic number.

20027200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20027200 is an abundant number, since it is smaller than the sum of its proper divisors (29256166).

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

20027200 is a wasteful number, since it uses less digits than its factorization.

20027200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12539 (or 12524 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 20027200 is about 4475.1759741936. The cubic root of 20027200 is about 271.5647595159.

Adding to 20027200 its reverse (272002), we get a palindrome (20299202).

The spelling of 20027200 in words is "twenty million, twenty-seven thousand, two hundred".