20740886998272 has 1440 divisors, whose sum is σ = 78383900672000. Its totient is φ = 5431878144000.

The previous prime is 20740886998259. The next prime is 20740886998297. The reversal of 20740886998272 is 27289968804702.

20740886998272 is a `hidden beast` number, since 2 + 0 + 7 + 408 + 8 + 69 + 98 + 2 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 20740886998272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4189229397 + ... + 4189234347.

Almost surely, 2^{20740886998272} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20740886998272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39191950336000).

20740886998272 is an abundant number, since it is smaller than the sum of its proper divisors (57643013673728).

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

20740886998272 is an equidigital number, since it uses as much as digits as its factorization.

20740886998272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050 (or 5013 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 72.

The spelling of 20740886998272 in words is "twenty trillion, seven hundred forty billion, eight hundred eighty-six million, nine hundred ninety-eight thousand, two hundred seventy-two".