200287980 has 144 divisors (see below), whose sum is σ = 629909280. Its totient is φ = 51480576.

The previous prime is 200287951. The next prime is 200287981. The reversal of 200287980 is 89782002.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (200287981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 874506 + ... + 874734.

It is an arithmetic number, because the mean of its divisors is an integer number (4374370).

Almost surely, 2^200287980 is an apocalyptic number.

200287980 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 200287980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314954640).

200287980 is an abundant number, since it is smaller than the sum of its proper divisors (429621300).

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

200287980 is a wasteful number, since it uses less digits than its factorization.

200287980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 200287980 is about 14152.3135917771. The cubic root of 200287980 is about 585.0840992396.

The spelling of 200287980 in words is "two hundred million, two hundred eighty-seven thousand, nine hundred eighty".