2013020011 has 4 divisors (see below), whose sum is σ = 2055850272. Its totient is φ = 1970189752.

The previous prime is 2013019993. The next prime is 2013020027. The reversal of 2013020011 is 1100203102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2013020011 - 2⁵ = 2013019979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013020011.

It is not an unprimeable number, because it can be changed into a prime (2013020071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21415060 + ... + 21415153.

It is an arithmetic number, because the mean of its divisors is an integer number (513962568).

Almost surely, 2^2013020011 is an apocalyptic number.

2013020011 is a deficient number, since it is larger than the sum of its proper divisors (42830261).

2013020011 is an equidigital number, since it uses as much as digits as its factorization.

2013020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42830260.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2013020011 is about 44866.6915539802. The cubic root of 2013020011 is about 1262.6491693952.

Adding to 2013020011 its reverse (1100203102), we get a palindrome (3113223113).

The spelling of 2013020011 in words is "two billion, thirteen million, twenty thousand, eleven".