11331203332020 has 384 divisors, whose sum is σ = 38595506019840. Its totient is φ = 2445926891520.

The previous prime is 11331203332013. The next prime is 11331203332021. The reversal of 11331203332020 is 2023330213311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331203332021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 272934784 + ... + 272976296.

It is an arithmetic number, because the mean of its divisors is an integer number (100509130260).

Almost surely, 2^{11331203332020} is an apocalyptic number.

11331203332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11331203332020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19297753009920).

11331203332020 is an abundant number, since it is smaller than the sum of its proper divisors (27264302687820).

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

11331203332020 is a wasteful number, since it uses less digits than its factorization.

11331203332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42675 (or 42673 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 11331203332020 its reverse (2023330213311), we get a palindrome (13354533545331).

The spelling of 11331203332020 in words is "eleven trillion, three hundred thirty-one billion, two hundred three million, three hundred thirty-two thousand, twenty".