200047820 has 48 divisors (see below), whose sum is σ = 483345408. Its totient is φ = 68126400.

The previous prime is 200047817. The next prime is 200047843. The reversal of 200047820 is 28740002.

200047820 = 4² + 5² + ... + 843².

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16409 + ... + 25871.

It is an arithmetic number, because the mean of its divisors is an integer number (10069696).

Almost surely, 2^200047820 is an apocalyptic number.

200047820 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 200047820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241672704).

200047820 is an abundant number, since it is smaller than the sum of its proper divisors (283297588).

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

200047820 is a wasteful number, since it uses less digits than its factorization.

200047820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9630 (or 9628 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 200047820 is about 14143.8262149957. The cubic root of 200047820 is about 584.8501527711.

Adding to 200047820 its reverse (28740002), we get a palindrome (228787822).

The spelling of 200047820 in words is "two hundred million, forty-seven thousand, eight hundred twenty".