20001716003 has 8 divisors (see below), whose sum is σ = 20544262848. Its totient is φ = 19459272384.

The previous prime is 20001715949. The next prime is 20001716023. The reversal of 20001716003 is 30061710002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20001716003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001716023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522950 + ... + 559892.

It is an arithmetic number, because the mean of its divisors is an integer number (2568032856).

Almost surely, 2^20001716003 is an apocalyptic number.

20001716003 is a deficient number, since it is larger than the sum of its proper divisors (542546845).

20001716003 is a wasteful number, since it uses less digits than its factorization.

20001716003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51613.

The product of its (nonzero) digits is 252, while the sum is 20.

The spelling of 20001716003 in words is "twenty billion, one million, seven hundred sixteen thousand, three".