11013203312020 has 96 divisors (see below), whose sum is σ = 29963047161600. Its totient is φ = 3302050074624.

The previous prime is 11013203312009. The next prime is 11013203312081. The reversal of 11013203312020 is 2021330231011.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 159207805 + ... + 159276964.

It is an arithmetic number, because the mean of its divisors is an integer number (312115074600).

Almost surely, 2^{11013203312020} is an apocalyptic number.

11013203312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013203312020 is an abundant number, since it is smaller than the sum of its proper divisors (18949843849580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11013203312020 is a wasteful number, since it uses less digits than its factorization.

11013203312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318484817 (or 318484815 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11013203312020 its reverse (2021330231011), we get a palindrome (13034533543031).

The spelling of 11013203312020 in words is "eleven trillion, thirteen billion, two hundred three million, three hundred twelve thousand, twenty".