11201420 has 24 divisors (see below), whose sum is σ = 23650704. Its totient is φ = 4456256.

The previous prime is 11201413. The next prime is 11201473. The reversal of 11201420 is 2410211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519 + ... + 5361.

It is an arithmetic number, because the mean of its divisors is an integer number (985446).

Almost surely, 2^11201420 is an apocalyptic number.

11201420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201420 is an abundant number, since it is smaller than the sum of its proper divisors (12449284).

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

11201420 is a wasteful number, since it uses less digits than its factorization.

11201420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049 (or 3047 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11201420 is about 3346.8522524904. The cubic root of 11201420 is about 223.7472436018.

Adding to 11201420 its reverse (2410211), we get a palindrome (13611631).

The spelling of 11201420 in words is "eleven million, two hundred one thousand, four hundred twenty".