20748084785712 has 160 divisors (see below), whose sum is σ = 61636186906560. Its totient is φ = 6677783838720.

The previous prime is 20748084785699. The next prime is 20748084785749. The reversal of 20748084785712 is 21758748084702.

20748084785712 is a `hidden beast` number, since 2 + 0 + 7 + 480 + 8 + 4 + 7 + 85 + 71 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20748084785712.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4320153 + ... + 7756280.

It is an arithmetic number, because the mean of its divisors is an integer number (385226168166).

Almost surely, 2^{20748084785712} is an apocalyptic number.

It is an amenable number.

20748084785712 is an abundant number, since it is smaller than the sum of its proper divisors (40888102120848).

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

20748084785712 is a wasteful number, since it uses less digits than its factorization.

20748084785712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12076588 (or 12076576 counting only the distinct ones).

The product of its (nonzero) digits is 56197120, while the sum is 63.

The spelling of 20748084785712 in words is "twenty trillion, seven hundred forty-eight billion, eighty-four million, seven hundred eighty-five thousand, seven hundred twelve".