16027920 has 120 divisors (see below), whose sum is σ = 54579096. Its totient is φ = 4214784.

The previous prime is 16027909. The next prime is 16027927. The reversal of 16027920 is 2972061.

It can be written as a sum of positive squares in 4 ways, for example, as 1557504 + 14470416 = 1248^2 + 3804^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (16027927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81262 + ... + 81458.

Almost surely, 2^16027920 is an apocalyptic number.

16027920 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 16027920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27289548).

16027920 is an abundant number, since it is smaller than the sum of its proper divisors (38551176).

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

16027920 is a wasteful number, since it uses less digits than its factorization.

16027920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 16027920 is about 4003.4884788144. The cubic root of 16027920 is about 252.1306956216.

Adding to 16027920 its reverse (2972061), we get a palindrome (18999981).

The spelling of 16027920 in words is "sixteen million, twenty-seven thousand, nine hundred twenty".