16232920 has 64 divisors (see below), whose sum is σ = 40435200. Its totient is φ = 5815680.

The previous prime is 16232911. The next prime is 16232921. The reversal of 16232920 is 2923261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16232921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34527 + ... + 34993.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^16232920 is an apocalyptic number.

16232920 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 16232920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20217600).

16232920 is an abundant number, since it is smaller than the sum of its proper divisors (24202280).

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

16232920 is a wasteful number, since it uses less digits than its factorization.

16232920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 16232920 is about 4029.0098039096. The cubic root of 16232920 is about 253.2010774728.

The spelling of 16232920 in words is "sixteen million, two hundred thirty-two thousand, nine hundred twenty".