200125000000 has 140 divisors (see below), whose sum is σ = 496713816324. Its totient is φ = 80000000000.

The previous prime is 200124999967. The next prime is 200125000037. The reversal of 200125000000 is 521002.

It can be written as a sum of positive squares in 10 ways, for example, as 48473948224 + 151651051776 = 220168^2 + 389424^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 124999200 + ... + 125000800.

Almost surely, 2^200125000000 is an apocalyptic number.

200125000000 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 200125000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248356908162).

200125000000 is an abundant number, since it is smaller than the sum of its proper divisors (296588816324).

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

200125000000 is an frugal number, since it uses more digits than its factorization.

200125000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

Adding to 200125000000 its reverse (521002), we get a palindrome (200125521002).

The spelling of 200125000000 in words is "two hundred billion, one hundred twenty-five million", and thus it is an aban number.