1224044020 has 24 divisors (see below), whose sum is σ = 2630273184. Its totient is φ = 478230816.

The previous prime is 1224043999. The next prime is 1224044023. The reversal of 1224044020 is 204404221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224044023) 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, 710794 + ... + 712513.

It is an arithmetic number, because the mean of its divisors is an integer number (109594716).

Almost surely, 2^1224044020 is an apocalyptic number.

1224044020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224044020 is an abundant number, since it is smaller than the sum of its proper divisors (1406229164).

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

1224044020 is a wasteful number, since it uses less digits than its factorization.

1224044020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423359 (or 1423357 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1224044020 is about 34986.3404773920. The cubic root of 1224044020 is about 1069.7090716314.

Adding to 1224044020 its reverse (204404221), we get a palindrome (1428448241).

The spelling of 1224044020 in words is "one billion, two hundred twenty-four million, forty-four thousand, twenty".