16043020 has 24 divisors (see below), whose sum is σ = 38503584. Its totient is φ = 5500416.

The previous prime is 16042981. The next prime is 16043023. The reversal of 16043020 is 2034061.

It is a junction number, because it is equal to n+sod(n) for n = 16042985 and 16043003.

It is not an unprimeable number, because it can be changed into a prime (16043023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57157 + ... + 57436.

It is an arithmetic number, because the mean of its divisors is an integer number (1604316).

Almost surely, 2^16043020 is an apocalyptic number.

16043020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16043020 is an abundant number, since it is smaller than the sum of its proper divisors (22460564).

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

16043020 is a wasteful number, since it uses less digits than its factorization.

16043020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114609 (or 114607 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 16043020 is about 4005.3738901631. The cubic root of 16043020 is about 252.2098487191.

Adding to 16043020 its reverse (2034061), we get a palindrome (18077081).

It can be divided in two parts, 1604 and 3020, that added together give a square (4624 = 68²).

The spelling of 16043020 in words is "sixteen million, forty-three thousand, twenty".