16021200 has 180 divisors, whose sum is σ = 56276160. Its totient is φ = 3893760.

The previous prime is 16021193. The next prime is 16021231. The reversal of 16021200 is 212061.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 202761 + ... + 202839.

Almost surely, 2^16021200 is an apocalyptic number.

16021200 is a gapful number since it is divisible by the number (10) 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 16021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28138080).

16021200 is an abundant number, since it is smaller than the sum of its proper divisors (40254960).

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

16021200 is a wasteful number, since it uses less digits than its factorization.

16021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 102 counting only the distinct ones).

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

The square root of 16021200 is about 4002.6491227686. The cubic root of 16021200 is about 252.0954538868.

Adding to 16021200 its reverse (212061), we get a palindrome (16233261).

The spelling of 16021200 in words is "sixteen million, twenty-one thousand, two hundred".