11230203232220 has 48 divisors (see below), whose sum is σ = 26952759288000. Its totient is φ = 3850316603904.

The previous prime is 11230203232207. The next prime is 11230203232229. The reversal of 11230203232220 is 2223230203211.

It is a super-2 number, since 2×11230203232220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230203232229) 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, 15876656 + ... + 16568904.

It is an arithmetic number, because the mean of its divisors is an integer number (561515818500).

Almost surely, 2^{11230203232220} is an apocalyptic number.

11230203232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230203232220 is an abundant number, since it is smaller than the sum of its proper divisors (15722556055780).

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

11230203232220 is a wasteful number, since it uses less digits than its factorization.

11230203232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808142 (or 808140 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 11230203232220 its reverse (2223230203211), we get a palindrome (13453433435431).

The spelling of 11230203232220 in words is "eleven trillion, two hundred thirty billion, two hundred three million, two hundred thirty-two thousand, two hundred twenty".