20116004 has 24 divisors (see below), whose sum is σ = 35981568. Its totient is φ = 9838080.

The previous prime is 20116001. The next prime is 20116021. The reversal of 20116004 is 40061102.

20116004 = 222² + 223² + ... + 414².

It is a self number, because there is not a number n which added to its sum of digits gives 20116004.

It is not an unprimeable number, because it can be changed into a prime (20116001) 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 7 ways as a sum of consecutive naturals, for example, 54629 + ... + 54995.

It is an arithmetic number, because the mean of its divisors is an integer number (1499232).

Almost surely, 2^20116004 is an apocalyptic number.

It is an amenable number.

20116004 is a deficient number, since it is larger than the sum of its proper divisors (15865564).

20116004 is a wasteful number, since it uses less digits than its factorization.

20116004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20116004 is about 4485.0868441982. The cubic root of 20116004 is about 271.9655557595.

Adding to 20116004 its reverse (40061102), we get a palindrome (60177106).

The spelling of 20116004 in words is "twenty million, one hundred sixteen thousand, four".