8020021171347 has 16 divisors (see below), whose sum is σ = 11883567636480. Its totient is φ = 5345756125416.

The previous prime is 8020021171319. The next prime is 8020021171373. The reversal of 8020021171347 is 7431711200208.

8020021171347 is a `hidden beast` number, since 80 + 20 + 0 + 211 + 7 + 1 + 347 = 666.

It is not a de Polignac number, because 8020021171347 - 2⁷ = 8020021171219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8020021171397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25525843 + ... + 25838124.

It is an arithmetic number, because the mean of its divisors is an integer number (742722977280).

Almost surely, 2^{8020021171347} is an apocalyptic number.

8020021171347 is a deficient number, since it is larger than the sum of its proper divisors (3863546465133).

8020021171347 is a wasteful number, since it uses less digits than its factorization.

8020021171347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51369759 (or 51369753 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 8020021171347 in words is "eight trillion, twenty billion, twenty-one million, one hundred seventy-one thousand, three hundred forty-seven".