104020011 has 16 divisors (see below), whose sum is σ = 156057600. Its totient is φ = 68467464.

The previous prime is 104019989. The next prime is 104020019. The reversal of 104020011 is 110020401.

It is a happy number.

It is not a de Polignac number, because 104020011 - 2⁹ = 104019499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 104019975 and 104020002.

It is not an unprimeable number, because it can be changed into a prime (104020019) 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 15 ways as a sum of consecutive naturals, for example, 22251 + ... + 26516.

It is an arithmetic number, because the mean of its divisors is an integer number (9753600).

Almost surely, 2^104020011 is an apocalyptic number.

104020011 is a deficient number, since it is larger than the sum of its proper divisors (52037589).

104020011 is an equidigital number, since it uses as much as digits as its factorization.

104020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48855 (or 48849 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 104020011 is about 10199.0200999900. The cubic root of 104020011 is about 470.2970975063.

Adding to 104020011 its reverse (110020401), we get a palindrome (214040412).

The spelling of 104020011 in words is "one hundred four million, twenty thousand, eleven".