16020343 has 4 divisors (see below), whose sum is σ = 16031848. Its totient is φ = 16008840.

The previous prime is 16020337. The next prime is 16020359. The reversal of 16020343 is 34302061.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16020343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16020343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16020943) 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, 3321 + ... + 6562.

It is an arithmetic number, because the mean of its divisors is an integer number (4007962).

Almost surely, 2^16020343 is an apocalyptic number.

16020343 is a deficient number, since it is larger than the sum of its proper divisors (11505).

16020343 is an equidigital number, since it uses as much as digits as its factorization.

16020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 16020343 is about 4002.5420672368. The cubic root of 16020343 is about 252.0909588083.

It can be divided in two parts, 160 and 20343, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 16020343 in words is "sixteen million, twenty thousand, three hundred forty-three".