20024423055 has 72 divisors (see below), whose sum is σ = 43481666592. Its totient is φ = 8449854336.

The previous prime is 20024423053. The next prime is 20024423071. The reversal of 20024423055 is 55032442002.

It is a happy number.

It is not a de Polignac number, because 20024423055 - 2¹ = 20024423053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024423053) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 320619 + ... + 377948.

It is an arithmetic number, because the mean of its divisors is an integer number (603912036).

Almost surely, 2^20024423055 is an apocalyptic number.

20024423055 is an abundant number, since it is smaller than the sum of its proper divisors (23457243537).

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

20024423055 is a wasteful number, since it uses less digits than its factorization.

20024423055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698605 (or 698595 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 20024423055 its reverse (55032442002), we get a palindrome (75056865057).

The spelling of 20024423055 in words is "twenty billion, twenty-four million, four hundred twenty-three thousand, fifty-five".