11234032420 has 24 divisors (see below), whose sum is σ = 25406196984. Its totient is φ = 4147950336.

The previous prime is 11234032417. The next prime is 11234032423. The reversal of 11234032420 is 2423043211.

It is an interprime number because it is at equal distance from previous prime (11234032417) and next prime (11234032423).

It can be written as a sum of positive squares in 4 ways, for example, as 16257024 + 11217775396 = 4032^2 + 105914^2 .

It is a super-2 number, since 2×11234032420² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11234032391 and 11234032400.

It is not an unprimeable number, because it can be changed into a prime (11234032423) 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, 21603649 + ... + 21604168.

It is an arithmetic number, because the mean of its divisors is an integer number (1058591541).

Almost surely, 2^11234032420 is an apocalyptic number.

11234032420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11234032420 is an abundant number, since it is smaller than the sum of its proper divisors (14172164564).

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

11234032420 is a wasteful number, since it uses less digits than its factorization.

11234032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43207839 (or 43207837 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11234032420 its reverse (2423043211), we get a palindrome (13657075631).

The spelling of 11234032420 in words is "eleven billion, two hundred thirty-four million, thirty-two thousand, four hundred twenty".