11020321340 has 48 divisors (see below), whose sum is σ = 26454859200. Its totient is φ = 3777526272.

The previous prime is 11020321331. The next prime is 11020321343. The reversal of 11020321340 is 4312302011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020321343) 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, 1006616 + ... + 1017504.

It is an arithmetic number, because the mean of its divisors is an integer number (551142900).

Almost surely, 2^11020321340 is an apocalyptic number.

11020321340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020321340 is an abundant number, since it is smaller than the sum of its proper divisors (15434537860).

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

11020321340 is a wasteful number, since it uses less digits than its factorization.

11020321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18134 (or 18132 counting only the distinct ones).

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

Adding to 11020321340 its reverse (4312302011), we get a palindrome (15332623351).

The spelling of 11020321340 in words is "eleven billion, twenty million, three hundred twenty-one thousand, three hundred forty".