11323200020 has 24 divisors (see below), whose sum is σ = 25940422368. Its totient is φ = 4117527200.

The previous prime is 11323199983. The next prime is 11323200023. The reversal of 11323200020 is 2000232311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11323199968 and 11323200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25734326 + ... + 25734765.

It is an arithmetic number, because the mean of its divisors is an integer number (1080850932).

Almost surely, 2^11323200020 is an apocalyptic number.

11323200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11323200020 is an abundant number, since it is smaller than the sum of its proper divisors (14617222348).

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

11323200020 is a wasteful number, since it uses less digits than its factorization.

11323200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51469111 (or 51469109 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 11323200020 its reverse (2000232311), we get a palindrome (13323432331).

The spelling of 11323200020 in words is "eleven billion, three hundred twenty-three million, two hundred thousand, twenty".