11030020320 has 192 divisors, whose sum is σ = 37973940480. Its totient is φ = 2668953600.

The previous prime is 11030020303. The next prime is 11030020321. The reversal of 11030020320 is 2302003011.

It is a happy number.

It is a super-2 number, since 2×11030020320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11030020296 and 11030020305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030020321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3382851 + ... + 3386109.

It is an arithmetic number, because the mean of its divisors is an integer number (197780940).

Almost surely, 2^11030020320 is an apocalyptic number.

11030020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11030020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18986970240).

11030020320 is an abundant number, since it is smaller than the sum of its proper divisors (26943920160).

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

11030020320 is a wasteful number, since it uses less digits than its factorization.

11030020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929 (or 3921 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 11030020320 its reverse (2302003011), we get a palindrome (13332023331).

The spelling of 11030020320 in words is "eleven billion, thirty million, twenty thousand, three hundred twenty".