11322321020 has 48 divisors (see below), whose sum is σ = 24275612928. Its totient is φ = 4434600960.

The previous prime is 11322321007. The next prime is 11322321029. The reversal of 11322321020 is 2012322311.

It is a self number, because there is not a number n which added to its sum of digits gives 11322321020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322321029) 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, 251252 + ... + 292868.

It is an arithmetic number, because the mean of its divisors is an integer number (505741936).

Almost surely, 2^11322321020 is an apocalyptic number.

11322321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11322321020 is an abundant number, since it is smaller than the sum of its proper divisors (12953291908).

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

11322321020 is a wasteful number, since it uses less digits than its factorization.

11322321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41910 (or 41908 counting only the distinct ones).

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

Adding to 11322321020 its reverse (2012322311), we get a palindrome (13334643331).

The spelling of 11322321020 in words is "eleven billion, three hundred twenty-two million, three hundred twenty-one thousand, twenty".