11124412020 has 120 divisors (see below), whose sum is σ = 35257960584. Its totient is φ = 2935885824.

The previous prime is 11124412007. The next prime is 11124412021. The reversal of 11124412020 is 2021442111.

11124412020 is a `hidden beast` number, since 11 + 12 + 441 + 202 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2178576 + 11122233444 = 1476^2 + 105462^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11124411984 and 11124412002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124412021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 121744 + ... + 192536.

Almost surely, 2^11124412020 is an apocalyptic number.

11124412020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11124412020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17628980292).

11124412020 is an abundant number, since it is smaller than the sum of its proper divisors (24133548564).

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

11124412020 is a wasteful number, since it uses less digits than its factorization.

11124412020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70911 (or 70900 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11124412020 its reverse (2021442111), we get a palindrome (13145854131).

The spelling of 11124412020 in words is "eleven billion, one hundred twenty-four million, four hundred twelve thousand, twenty".