16230720 has 224 divisors, whose sum is σ = 59253120. Its totient is φ = 3727360.

The previous prime is 16230707. The next prime is 16230811. The reversal of 16230720 is 2703261.

It is a happy number.

16230720 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306214 + ... + 306266.

Almost surely, 2^16230720 is an apocalyptic number.

16230720 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 16230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29626560).

16230720 is an abundant number, since it is smaller than the sum of its proper divisors (43022400).

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

16230720 is a wasteful number, since it uses less digits than its factorization.

16230720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 16230720 is about 4028.7367747223. The cubic root of 16230720 is about 253.1896384231.

Adding to 16230720 its reverse (2703261), we get a palindrome (18933981).

The spelling of 16230720 in words is "sixteen million, two hundred thirty thousand, seven hundred twenty".