1131324022020 has 192 divisors, whose sum is σ = 3358741800960. Its totient is φ = 283731840000.

The previous prime is 1131324022019. The next prime is 1131324022033. The reversal of 1131324022020 is 202204231311.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88983184 + ... + 88995896.

It is an arithmetic number, because the mean of its divisors is an integer number (17493446880).

Almost surely, 2^{1131324022020} is an apocalyptic number.

1131324022020 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 1131324022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679370900480).

1131324022020 is an abundant number, since it is smaller than the sum of its proper divisors (2227417778940).

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

1131324022020 is a wasteful number, since it uses less digits than its factorization.

1131324022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13306 (or 13304 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1131324022020 its reverse (202204231311), we get a palindrome (1333528253331).

The spelling of 1131324022020 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-four million, twenty-two thousand, twenty".