11320020231020 has 48 divisors (see below), whose sum is σ = 23844448353600. Its totient is φ = 4514223052800.

The previous prime is 11320020231011. The next prime is 11320020231041. The reversal of 11320020231020 is 2013202002311.

11320020231020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11320020231020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27720320 + ... + 28125720.

It is an arithmetic number, because the mean of its divisors is an integer number (496759340700).

Almost surely, 2^{11320020231020} is an apocalyptic number.

11320020231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11320020231020 is an abundant number, since it is smaller than the sum of its proper divisors (12524428122580).

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

11320020231020 is a wasteful number, since it uses less digits than its factorization.

11320020231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409658 (or 409656 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11320020231020 its reverse (2013202002311), we get a palindrome (13333222233331).

The spelling of 11320020231020 in words is "eleven trillion, three hundred twenty billion, twenty million, two hundred thirty-one thousand, twenty".