200551708900 has 81 divisors (see below), whose sum is σ = 459502809339. Its totient is φ = 75966298560.

The previous prime is 200551708879. The next prime is 200551708921. The reversal of 200551708900 is 9807155002.

The square root of 200551708900 is 447830.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (200551708879) and next prime (200551708921).

It can be written as a sum of positive squares in 4 ways, for example, as 43887736036 + 156663972864 = 209494^2 + 395808^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200551708900.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 85086522 + ... + 85088878.

Almost surely, 2^200551708900 is an apocalyptic number.

200551708900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

200551708900 is the 447830-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200551708900

200551708900 is an abundant number, since it is smaller than the sum of its proper divisors (258951100439).

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

200551708900 is an equidigital number, since it uses as much as digits as its factorization.

200551708900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 200551708900 in words is "two hundred billion, five hundred fifty-one million, seven hundred eight thousand, nine hundred".