20016026811 has 12 divisors (see below), whose sum is σ = 31540406040. Its totient is φ = 12130925280.

The previous prime is 20016026803. The next prime is 20016026839. The reversal of 20016026811 is 11862061002.

It is not a de Polignac number, because 20016026811 - 2³ = 20016026803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20016022811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101090946 + ... + 101091143.

It is an arithmetic number, because the mean of its divisors is an integer number (2628367170).

Almost surely, 2^20016026811 is an apocalyptic number.

20016026811 is a deficient number, since it is larger than the sum of its proper divisors (11524379229).

20016026811 is a wasteful number, since it uses less digits than its factorization.

20016026811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202182106 (or 202182103 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 20016026811 its reverse (11862061002), we get a palindrome (31878087813).

The spelling of 20016026811 in words is "twenty billion, sixteen million, twenty-six thousand, eight hundred eleven".