16020456 has 16 divisors (see below), whose sum is σ = 40051200. Its totient is φ = 5340144.

The previous prime is 16020449. The next prime is 16020457. The reversal of 16020456 is 65402061.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 667519 = 16020456 / (1 + 6 + 0 + 2 + 0 + 4 + 5 + 6).

It is not an unprimeable number, because it can be changed into a prime (16020457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333736 + ... + 333783.

It is an arithmetic number, because the mean of its divisors is an integer number (2503200).

Almost surely, 2^16020456 is an apocalyptic number.

It is an amenable number.

16020456 is an abundant number, since it is smaller than the sum of its proper divisors (24030744).

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

16020456 is a wasteful number, since it uses less digits than its factorization.

16020456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667528 (or 667524 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 16020456 is about 4002.5561832409. The cubic root of 16020456 is about 252.0915515174.

The spelling of 16020456 in words is "sixteen million, twenty thousand, four hundred fifty-six".