11131032132020 has 24 divisors (see below), whose sum is σ = 23376856893768. Its totient is φ = 4452091059200.

The previous prime is 11131032132019. The next prime is 11131032132043. The reversal of 11131032132020 is 2023123013111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1044018019984 + 10087014112036 = 1021772^2 + 3176006^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11131032131983 and 11131032132001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19828361 + ... + 20382000.

It is an arithmetic number, because the mean of its divisors is an integer number (974035703907).

Almost surely, 2^{11131032132020} is an apocalyptic number.

11131032132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131032132020 is an abundant number, since it is smaller than the sum of its proper divisors (12245824761748).

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

11131032132020 is a wasteful number, since it uses less digits than its factorization.

11131032132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40224211 (or 40224209 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11131032132020 its reverse (2023123013111), we get a palindrome (13154155145131).

The spelling of 11131032132020 in words is "eleven trillion, one hundred thirty-one billion, thirty-two million, one hundred thirty-two thousand, twenty".