20111013303 has 4 divisors (see below), whose sum is σ = 26814684408. Its totient is φ = 13407342200.

The previous prime is 20111013289. The next prime is 20111013313. The reversal of 20111013303 is 30331011102.

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 20111013303 - 2⁴ = 20111013287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111013313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351835548 + ... + 3351835553.

It is an arithmetic number, because the mean of its divisors is an integer number (6703671102).

Almost surely, 2^20111013303 is an apocalyptic number.

20111013303 is a deficient number, since it is larger than the sum of its proper divisors (6703671105).

20111013303 is an equidigital number, since it uses as much as digits as its factorization.

20111013303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703671104.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20111013303 its reverse (30331011102), we get a palindrome (50442024405).

The spelling of 20111013303 in words is "twenty billion, one hundred eleven million, thirteen thousand, three hundred three".