20126324547432 has 48 divisors (see below), whose sum is σ = 54534914310240. Its totient is φ = 6705560244768.

The previous prime is 20126324547401. The next prime is 20126324547451. The reversal of 20126324547432 is 23474542362102.

It is a happy number.

20126324547432 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 63 + 2 + 4 + 547 + 43 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66819618 + ... + 67120145.

It is an arithmetic number, because the mean of its divisors is an integer number (1136144048130).

Almost surely, 2^{20126324547432} is an apocalyptic number.

It is an amenable number.

20126324547432 is an abundant number, since it is smaller than the sum of its proper divisors (34408589762808).

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

20126324547432 is a wasteful number, since it uses less digits than its factorization.

20126324547432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133941862 (or 133941855 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 20126324547432 in words is "twenty trillion, one hundred twenty-six billion, three hundred twenty-four million, five hundred forty-seven thousand, four hundred thirty-two".