20016546307 has 4 divisors (see below), whose sum is σ = 20016877176. Its totient is φ = 20016215440.

The previous prime is 20016546289. The next prime is 20016546337. The reversal of 20016546307 is 70364561002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20016546307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20016546337) 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 3 ways as a sum of consecutive naturals, for example, 45898 + ... + 205279.

It is an arithmetic number, because the mean of its divisors is an integer number (5004219294).

Almost surely, 2^20016546307 is an apocalyptic number.

20016546307 is a deficient number, since it is larger than the sum of its proper divisors (330869).

20016546307 is an equidigital number, since it uses as much as digits as its factorization.

20016546307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330868.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 20016546307 in words is "twenty billion, sixteen million, five hundred forty-six thousand, three hundred seven".