200120010 has 128 divisors (see below), whose sum is σ = 529390080. Its totient is φ = 48254976.

The previous prime is 200119901. The next prime is 200120017. The reversal of 200120010 is 10021002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200120017) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1460662 + ... + 1460798.

It is an arithmetic number, because the mean of its divisors is an integer number (4135860).

Almost surely, 2^200120010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200120010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264695040).

200120010 is an abundant number, since it is smaller than the sum of its proper divisors (329270070).

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

200120010 is a wasteful number, since it uses less digits than its factorization.

200120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 200120010 is about 14146.3779816602. The cubic root of 200120010 is about 584.9204947106.

Adding to 200120010 its reverse (10021002), we get a palindrome (210141012).

The spelling of 200120010 in words is "two hundred million, one hundred twenty thousand, ten".