200120250 has 128 divisors (see below), whose sum is σ = 552075264. Its totient is φ = 47880000.

The previous prime is 200120203. The next prime is 200120251. The reversal of 200120250 is 52021002.

It is a super-3 number, since 3×200120250³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (200120251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1047655 + ... + 1047845.

It is an arithmetic number, because the mean of its divisors is an integer number (4313088).

Almost surely, 2^200120250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200120250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276037632).

200120250 is an abundant number, since it is smaller than the sum of its proper divisors (351955014).

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

200120250 is a wasteful number, since it uses less digits than its factorization.

200120250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 200120250 is about 14146.3864643944. The cubic root of 200120250 is about 584.9207285384.

Adding to 200120250 its reverse (52021002), we get a palindrome (252141252).

The spelling of 200120250 in words is "two hundred million, one hundred twenty thousand, two hundred fifty".