20240224440 has 64 divisors (see below), whose sum is σ = 60748047360. Its totient is φ = 5394960000.

The previous prime is 20240224427. The next prime is 20240224489. The reversal of 20240224440 is 4442204202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20240224440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237565 + ... + 311315.

It is an arithmetic number, because the mean of its divisors is an integer number (949188240).

Almost surely, 2^20240224440 is an apocalyptic number.

20240224440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20240224440 is an abundant number, since it is smaller than the sum of its proper divisors (40507822920).

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

20240224440 is a wasteful number, since it uses less digits than its factorization.

20240224440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76052 (or 76048 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20240224440 its reverse (4442204202), we get a palindrome (24682428642).

The spelling of 20240224440 in words is "twenty billion, two hundred forty million, two hundred twenty-four thousand, four hundred forty".