11220401420 has 24 divisors (see below), whose sum is σ = 24587315424. Its totient is φ = 4293022976.

The previous prime is 11220401393. The next prime is 11220401429. The reversal of 11220401420 is 2410402211.

11220401420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11220401429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12195629 + ... + 12196548.

It is an arithmetic number, because the mean of its divisors is an integer number (1024471476).

Almost surely, 2^11220401420 is an apocalyptic number.

11220401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220401420 is an abundant number, since it is smaller than the sum of its proper divisors (13366914004).

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

11220401420 is a wasteful number, since it uses less digits than its factorization.

11220401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24392209 (or 24392207 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11220401420 its reverse (2410402211), we get a palindrome (13630803631).

The spelling of 11220401420 in words is "eleven billion, two hundred twenty million, four hundred one thousand, four hundred twenty".