20016011 has 8 divisors (see below), whose sum is σ = 20347200. Its totient is φ = 19687360.

The previous prime is 20015981. The next prime is 20016013. The reversal of 20016011 is 11061002.

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

It is a cyclic number.

It is not a de Polignac number, because 20016011 - 2¹⁰ = 20014987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20015983 and 20016001.

It is not an unprimeable number, because it can be changed into a prime (20016013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20801 + ... + 21741.

It is an arithmetic number, because the mean of its divisors is an integer number (2543400).

Almost surely, 2^20016011 is an apocalyptic number.

20016011 is a deficient number, since it is larger than the sum of its proper divisors (331189).

20016011 is an equidigital number, since it uses as much as digits as its factorization.

20016011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 20016011 is about 4473.9256810993. The cubic root of 20016011 is about 271.5141765731.

Adding to 20016011 its reverse (11061002), we get a palindrome (31077013).

The spelling of 20016011 in words is "twenty million, sixteen thousand, eleven".