20112424120 has 16 divisors (see below), whose sum is σ = 45252954360. Its totient is φ = 8044969632.

The previous prime is 20112424117. The next prime is 20112424121. The reversal of 20112424120 is 2142421102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112424121) 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 3 ways as a sum of consecutive naturals, for example, 251405262 + ... + 251405341.

Almost surely, 2^20112424120 is an apocalyptic number.

20112424120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112424120 is an abundant number, since it is smaller than the sum of its proper divisors (25140530240).

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

20112424120 is a wasteful number, since it uses less digits than its factorization.

20112424120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502810614 (or 502810610 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20112424120 its reverse (2142421102), we get a palindrome (22254845222).

The spelling of 20112424120 in words is "twenty billion, one hundred twelve million, four hundred twenty-four thousand, one hundred twenty".