200111424 has 84 divisors (see below), whose sum is σ = 539459424. Its totient is φ = 65465088.

The previous prime is 200111419. The next prime is 200111453. The reversal of 200111424 is 424111002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1198189 + ... + 1198355.

It is an arithmetic number, because the mean of its divisors is an integer number (6422136).

Almost surely, 2^200111424 is an apocalyptic number.

200111424 is a gapful number since it is divisible by the number (24) 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 200111424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269729712).

200111424 is an abundant number, since it is smaller than the sum of its proper divisors (339348000).

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

200111424 is an equidigital number, since it uses as much as digits as its factorization.

200111424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 200111424 is about 14146.0745084988. The cubic root of 200111424 is about 584.9121293982.

Adding to 200111424 its reverse (424111002), we get a palindrome (624222426).

The spelling of 200111424 in words is "two hundred million, one hundred eleven thousand, four hundred twenty-four".