630720200 has 192 divisors, whose sum is σ = 1714176000. Its totient is φ = 213408000.

The previous prime is 630720199. The next prime is 630720221. The reversal of 630720200 is 2027036.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3302105 + ... + 3302295.

It is an arithmetic number, because the mean of its divisors is an integer number (8928000).

Almost surely, 2^630720200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630720200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857088000).

630720200 is an abundant number, since it is smaller than the sum of its proper divisors (1083455800).

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

630720200 is a wasteful number, since it uses less digits than its factorization.

630720200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 630720200 is about 25114.1434255680. The cubic root of 630720200 is about 857.5884305043.

Adding to 630720200 its reverse (2027036), we get a palindrome (632747236).

The spelling of 630720200 in words is "six hundred thirty million, seven hundred twenty thousand, two hundred".