8020131709740 has 24 divisors (see below), whose sum is σ = 22456368787440. Its totient is φ = 2138701789248.

The previous prime is 8020131709727. The next prime is 8020131709757. The reversal of 8020131709740 is 479071310208.

It is a super-2 number, since 2×8020131709740² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8020131709692 and 8020131709701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66834430855 + ... + 66834430974.

It is an arithmetic number, because the mean of its divisors is an integer number (935682032810).

Almost surely, 2^{8020131709740} is an apocalyptic number.

It is an amenable number.

8020131709740 is an abundant number, since it is smaller than the sum of its proper divisors (14436237077700).

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

8020131709740 is a wasteful number, since it uses less digits than its factorization.

8020131709740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133668861841 (or 133668861839 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 8020131709740 in words is "eight trillion, twenty billion, one hundred thirty-one million, seven hundred nine thousand, seven hundred forty".