20788044101720 has 128 divisors (see below), whose sum is σ = 53678773008000. Its totient is φ = 7097542963200.

The previous prime is 20788044101701. The next prime is 20788044101743. The reversal of 20788044101720 is 2710144088702.

It is a congruent number.

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, 74225150 + ... + 74504690.

It is an arithmetic number, because the mean of its divisors is an integer number (419365414125).

Almost surely, 2^{20788044101720} is an apocalyptic number.

20788044101720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20788044101720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26839386504000).

20788044101720 is an abundant number, since it is smaller than the sum of its proper divisors (32890728906280).

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

20788044101720 is a wasteful number, since it uses less digits than its factorization.

20788044101720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280669 (or 280665 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 44.

The spelling of 20788044101720 in words is "twenty trillion, seven hundred eighty-eight billion, forty-four million, one hundred one thousand, seven hundred twenty".