11020320020 has 48 divisors (see below), whose sum is σ = 23440088448. Its totient is φ = 4351562880.

The previous prime is 11020319987. The next prime is 11020320043. The reversal of 11020320020 is 2002302011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11020319983 and 11020320010.

It is a congruent number.

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, 3462830 + ... + 3466010.

It is an arithmetic number, because the mean of its divisors is an integer number (488335176).

Almost surely, 2^11020320020 is an apocalyptic number.

11020320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020320020 is an abundant number, since it is smaller than the sum of its proper divisors (12419768428).

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

11020320020 is a wasteful number, since it uses less digits than its factorization.

11020320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360 (or 5358 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 11020320020 its reverse (2002302011), we get a palindrome (13022622031).

The spelling of 11020320020 in words is "eleven billion, twenty million, three hundred twenty thousand, twenty".