2104020013 has 4 divisors (see below), whose sum is σ = 2195499168. Its totient is φ = 2012540860.

The previous prime is 2104020007. The next prime is 2104020019. The reversal of 2104020013 is 3100204012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2104020007) and next prime (2104020019).

It is a cyclic number.

It is not a de Polignac number, because 2104020013 - 2¹³ = 2104011821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104019975 and 2104020002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104020019) 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 3 ways as a sum of consecutive naturals, for example, 45739543 + ... + 45739588.

It is an arithmetic number, because the mean of its divisors is an integer number (548874792).

Almost surely, 2^2104020013 is an apocalyptic number.

2104020013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2104020013 is a deficient number, since it is larger than the sum of its proper divisors (91479155).

2104020013 is an equidigital number, since it uses as much as digits as its factorization.

2104020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91479154.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2104020013 is about 45869.5979162669. The cubic root of 2104020013 is about 1281.3957782399.

Adding to 2104020013 its reverse (3100204012), we get a palindrome (5204224025).

The spelling of 2104020013 in words is "two billion, one hundred four million, twenty thousand, thirteen".