20424000024 has 48 divisors (see below), whose sum is σ = 56491924320. Its totient is φ = 6663147840.

The previous prime is 20423999983. The next prime is 20424000029. The reversal of 20424000024 is 42000042402.

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 = 20423999970 and 20424000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3014347 + ... + 3021114.

It is an arithmetic number, because the mean of its divisors is an integer number (1176915090).

Almost surely, 2^20424000024 is an apocalyptic number.

20424000024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20424000024 is an abundant number, since it is smaller than the sum of its proper divisors (36067924296).

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

20424000024 is a wasteful number, since it uses less digits than its factorization.

20424000024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035520 (or 6035513 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20424000024 its reverse (42000042402), we get a palindrome (62424042426).

The spelling of 20424000024 in words is "twenty billion, four hundred twenty-four million, twenty-four", and thus it is an aban number.