20250200 has 72 divisors (see below), whose sum is σ = 50247900. Its totient is φ = 7568640.

The previous prime is 20250199. The next prime is 20250203. The reversal of 20250200 is 205202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20250203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 277364 + ... + 277436.

Almost surely, 2^20250200 is an apocalyptic number.

20250200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20250200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25123950).

20250200 is an abundant number, since it is smaller than the sum of its proper divisors (29997700).

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

20250200 is a wasteful number, since it uses less digits than its factorization.

20250200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 20250200 is about 4500.0222221674. The cubic root of 20250200 is about 272.5689862654.

Adding to 20250200 its reverse (205202), we get a palindrome (20455402).

The spelling of 20250200 in words is "twenty million, two hundred fifty thousand, two hundred".