1111224020 has 48 divisors (see below), whose sum is σ = 2360292480. Its totient is φ = 439430784.

The previous prime is 1111224019. The next prime is 1111224043. The reversal of 1111224020 is 204221111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1111223986 and 1111224004.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 712001 + ... + 713559.

It is an arithmetic number, because the mean of its divisors is an integer number (49172760).

Almost surely, 2^1111224020 is an apocalyptic number.

1111224020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111224020 is an abundant number, since it is smaller than the sum of its proper divisors (1249068460).

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

1111224020 is a wasteful number, since it uses less digits than its factorization.

1111224020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1111224020 is about 33335.0269236429. The cubic root of 1111224020 is about 1035.7792508800.

Adding to 1111224020 its reverse (204221111), we get a palindrome (1315445131).

The spelling of 1111224020 in words is "one billion, one hundred eleven million, two hundred twenty-four thousand, twenty".