20120750446542 has 16 divisors (see below), whose sum is σ = 40632195077760. Its totient is φ = 6641801118072.

The previous prime is 20120750446541. The next prime is 20120750446591. The reversal of 20120750446542 is 24564405702102.

It is a junction number, because it is equal to n+sod(n) for n = 20120750446494 and 20120750446503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120750446541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16278923692 + ... + 16278924927.

It is an arithmetic number, because the mean of its divisors is an integer number (2539512192360).

Almost surely, 2^{20120750446542} is an apocalyptic number.

20120750446542 is an abundant number, since it is smaller than the sum of its proper divisors (20511444631218).

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

20120750446542 is a wasteful number, since it uses less digits than its factorization.

20120750446542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32557848727.

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 20120750446542 in words is "twenty trillion, one hundred twenty billion, seven hundred fifty million, four hundred forty-six thousand, five hundred forty-two".