20424113224120 has 16 divisors (see below), whose sum is σ = 45954254754360. Its totient is φ = 8169645289632.

The previous prime is 20424113224103. The next prime is 20424113224129. The reversal of 20424113224120 is 2142231142402.

It is a super-2 number, since 2×20424113224120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424113224129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255301415262 + ... + 255301415341.

Almost surely, 2^{20424113224120} is an apocalyptic number.

20424113224120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20424113224120 is an abundant number, since it is smaller than the sum of its proper divisors (25530141530240).

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

20424113224120 is a wasteful number, since it uses less digits than its factorization.

20424113224120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510602830614 (or 510602830610 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20424113224120 its reverse (2142231142402), we get a palindrome (22566344366522).

The spelling of 20424113224120 in words is "twenty trillion, four hundred twenty-four billion, one hundred thirteen million, two hundred twenty-four thousand, one hundred twenty".