22424240020 has 48 divisors (see below), whose sum is σ = 57958040448. Its totient is φ = 7096901760.

The previous prime is 22424239987. The next prime is 22424240023. The reversal of 22424240020 is 2004242422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22424239973 and 22424240000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424240023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6158686 + ... + 6162325.

It is an arithmetic number, because the mean of its divisors is an integer number (1207459176).

Almost surely, 2^22424240020 is an apocalyptic number.

22424240020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22424240020 is an abundant number, since it is smaller than the sum of its proper divisors (35533800428).

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

22424240020 is a wasteful number, since it uses less digits than its factorization.

22424240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12321040 (or 12321038 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22424240020 its reverse (2004242422), we get a palindrome (24428482442).

The spelling of 22424240020 in words is "twenty-two billion, four hundred twenty-four million, two hundred forty thousand, twenty".