11331312232020 has 48 divisors (see below), whose sum is σ = 34612008274368. Its totient is φ = 2746984783360.

The previous prime is 11331312232013. The next prime is 11331312232027. The reversal of 11331312232020 is 2023221313311.

It is an interprime number because it is at equal distance from previous prime (11331312232013) and next prime (11331312232027).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331312232027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8584326789 + ... + 8584328108.

It is an arithmetic number, because the mean of its divisors is an integer number (721083505716).

Almost surely, 2^{11331312232020} is an apocalyptic number.

11331312232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331312232020 is an abundant number, since it is smaller than the sum of its proper divisors (23280696042348).

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

11331312232020 is a wasteful number, since it uses less digits than its factorization.

11331312232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17168654920 (or 17168654918 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11331312232020 its reverse (2023221313311), we get a palindrome (13354533545331).

The spelling of 11331312232020 in words is "eleven trillion, three hundred thirty-one billion, three hundred twelve million, two hundred thirty-two thousand, twenty".