20132421124 has 12 divisors (see below), whose sum is σ = 35500682448. Its totient is φ = 9989369000.

The previous prime is 20132421121. The next prime is 20132421137. The reversal of 20132421124 is 42112423102.

It is a junction number, because it is equal to n+sod(n) for n = 20132421095 and 20132421104.

It is not an unprimeable number, because it can be changed into a prime (20132421121) 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, 19209802 + ... + 19210849.

It is an arithmetic number, because the mean of its divisors is an integer number (2958390204).

Almost surely, 2^20132421124 is an apocalyptic number.

It is an amenable number.

20132421124 is a deficient number, since it is larger than the sum of its proper divisors (15368261324).

20132421124 is a wasteful number, since it uses less digits than its factorization.

20132421124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38420786 (or 38420784 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20132421124 its reverse (42112423102), we get a palindrome (62244844226).

The spelling of 20132421124 in words is "twenty billion, one hundred thirty-two million, four hundred twenty-one thousand, one hundred twenty-four".