11230201020 has 96 divisors (see below), whose sum is σ = 33379311168. Its totient is φ = 2811359232.

The previous prime is 11230201013. The next prime is 11230201033. The reversal of 11230201020 is 2010203211.

It is a super-2 number, since 2×11230201020² (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 = 11230200987 and 11230201005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391074 + ... + 418806.

It is an arithmetic number, because the mean of its divisors is an integer number (347701158).

Almost surely, 2^11230201020 is an apocalyptic number.

11230201020 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 11230201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16689655584).

11230201020 is an abundant number, since it is smaller than the sum of its proper divisors (22149110148).

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

11230201020 is a wasteful number, since it uses less digits than its factorization.

11230201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28159 (or 28157 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11230201020 its reverse (2010203211), we get a palindrome (13240404231).

The spelling of 11230201020 in words is "eleven billion, two hundred thirty million, two hundred one thousand, twenty".