200243880 has 128 divisors (see below), whose sum is σ = 689126400. Its totient is φ = 51667200.

The previous prime is 200243873. The next prime is 200243887. The reversal of 200243880 is 88342002.

It is an interprime number because it is at equal distance from previous prime (200243873) and next prime (200243887).

It is a super-2 number, since 2×200243880² = 80195222954908800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (200243887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30490 + ... + 36470.

It is an arithmetic number, because the mean of its divisors is an integer number (5383800).

Almost surely, 2^200243880 is an apocalyptic number.

200243880 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 200243880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344563200).

200243880 is an abundant number, since it is smaller than the sum of its proper divisors (488882520).

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

200243880 is a wasteful number, since it uses less digits than its factorization.

200243880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032 (or 6022 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 200243880 is about 14150.7554568652. The cubic root of 200243880 is about 585.0411542382.

Adding to 200243880 its reverse (88342002), we get a palindrome (288585882).

The spelling of 200243880 in words is "two hundred million, two hundred forty-three thousand, eight hundred eighty".