20126424132 has 30 divisors (see below), whose sum is σ = 52614449118. Its totient is φ = 6708807936.

The previous prime is 20126424089. The next prime is 20126424163. The reversal of 20126424132 is 23142462102.

20126424132 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 642 + 4 + 13 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16319040516 + 3807383616 = 127746^2 + 61704^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20126424096 and 20126424105.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31058973 + ... + 31059620.

Almost surely, 2^20126424132 is an apocalyptic number.

It is an amenable number.

20126424132 is an abundant number, since it is smaller than the sum of its proper divisors (32488024986).

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

20126424132 is a wasteful number, since it uses less digits than its factorization.

20126424132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62118609 (or 62118598 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 20126424132 its reverse (23142462102), we get a palindrome (43268886234).

The spelling of 20126424132 in words is "twenty billion, one hundred twenty-six million, four hundred twenty-four thousand, one hundred thirty-two".