11234420420 has 24 divisors (see below), whose sum is σ = 24980064984. Its totient is φ = 4229428736.

The previous prime is 11234420419. The next prime is 11234420423. The reversal of 11234420420 is 2402443211.

It can be written as a sum of positive squares in 4 ways, for example, as 2227651204 + 9006769216 = 47198^2 + 94904^2 .

It is not an unprimeable number, because it can be changed into a prime (11234420423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16520867 + ... + 16521546.

It is an arithmetic number, because the mean of its divisors is an integer number (1040836041).

Almost surely, 2^11234420420 is an apocalyptic number.

11234420420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11234420420 is an abundant number, since it is smaller than the sum of its proper divisors (13745644564).

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

11234420420 is a wasteful number, since it uses less digits than its factorization.

11234420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33042439 (or 33042437 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 11234420420 its reverse (2402443211), we get a palindrome (13636863631).

The spelling of 11234420420 in words is "eleven billion, two hundred thirty-four million, four hundred twenty thousand, four hundred twenty".