16028820 has 48 divisors (see below), whose sum is σ = 49869120. Its totient is φ = 4274208.

The previous prime is 16028819. The next prime is 16028839. The reversal of 16028820 is 2882061.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14302 + ... + 15381.

It is an arithmetic number, because the mean of its divisors is an integer number (1038940).

Almost surely, 2^16028820 is an apocalyptic number.

16028820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16028820 is an abundant number, since it is smaller than the sum of its proper divisors (33840300).

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

16028820 is a wasteful number, since it uses less digits than its factorization.

16028820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29701 (or 29693 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 16028820 is about 4003.6008792086. The cubic root of 16028820 is about 252.1354147488.

The spelling of 16028820 in words is "sixteen million, twenty-eight thousand, eight hundred twenty".