200111430 has 64 divisors (see below), whose sum is σ = 493102080. Its totient is φ = 51949824.

The previous prime is 200111419. The next prime is 200111453. The reversal of 200111430 is 34111002.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 489066 + ... + 489474.

It is an arithmetic number, because the mean of its divisors is an integer number (7704720).

Almost surely, 2^200111430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200111430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246551040).

200111430 is an abundant number, since it is smaller than the sum of its proper divisors (292990650).

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

200111430 is a wasteful number, since it uses less digits than its factorization.

200111430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 200111430 is about 14146.0747205718. The cubic root of 200111430 is about 584.9121352441.

Adding to 200111430 its reverse (34111002), we get a palindrome (234222432).

It can be divided in two parts, 2001 and 11430, that added together give a palindrome (13431).

The spelling of 200111430 in words is "two hundred million, one hundred eleven thousand, four hundred thirty".