16230920 has 32 divisors (see below), whose sum is σ = 38669400. Its totient is φ = 6110208.

The previous prime is 16230919. The next prime is 16230953. The reversal of 16230920 is 2903261.

16230920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15792676 + 438244 = 3974^2 + 662^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11255 + ... + 12614.

Almost surely, 2^16230920 is an apocalyptic number.

16230920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16230920 is an abundant number, since it is smaller than the sum of its proper divisors (22438480).

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

16230920 is a wasteful number, since it uses less digits than its factorization.

16230920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23897 (or 23893 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 16230920 is about 4028.7615963221. The cubic root of 16230920 is about 253.1906783794.

The spelling of 16230920 in words is "sixteen million, two hundred thirty thousand, nine hundred twenty".