11434441203220 has 24 divisors (see below), whose sum is σ = 27442658888064. Its totient is φ = 3920379841056.

The previous prime is 11434441203187. The next prime is 11434441203223. The reversal of 11434441203220 is 2230214443411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434441203223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40837289872 + ... + 40837290151.

It is an arithmetic number, because the mean of its divisors is an integer number (1143444120336).

Almost surely, 2^{11434441203220} is an apocalyptic number.

11434441203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11434441203220 is an abundant number, since it is smaller than the sum of its proper divisors (16008217684844).

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

11434441203220 is a wasteful number, since it uses less digits than its factorization.

11434441203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81674580039 (or 81674580037 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 11434441203220 its reverse (2230214443411), we get a palindrome (13664655646631).

The spelling of 11434441203220 in words is "eleven trillion, four hundred thirty-four billion, four hundred forty-one million, two hundred three thousand, two hundred twenty".