16020642303 has 24 divisors (see below), whose sum is σ = 24110701056. Its totient is φ = 10239282000.

The previous prime is 16020642299. The next prime is 16020642331. The reversal of 16020642303 is 30324602061.

16020642303 is a `hidden beast` number, since 16 + 0 + 2 + 0 + 642 + 3 + 0 + 3 = 666.

It is not a de Polignac number, because 16020642303 - 2² = 16020642299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16020642403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238473 + ... + 298178.

It is an arithmetic number, because the mean of its divisors is an integer number (1004612544).

Almost surely, 2^16020642303 is an apocalyptic number.

16020642303 is a deficient number, since it is larger than the sum of its proper divisors (8090058753).

16020642303 is a wasteful number, since it uses less digits than its factorization.

16020642303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536795 (or 536792 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The spelling of 16020642303 in words is "sixteen billion, twenty million, six hundred forty-two thousand, three hundred three".