20071456080169 has 32 divisors (see below), whose sum is σ = 22093636544000. Its totient is φ = 18122297453568.

The previous prime is 20071456080163. The next prime is 20071456080217. The reversal of 20071456080169 is 96108065417002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20071456080169 - 2⁷ = 20071456080041 is a prime.

It is a super-2 number, since 2×20071456080169² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20071456080163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71479957 + ... + 71760205.

It is an arithmetic number, because the mean of its divisors is an integer number (690426142000).

Almost surely, 2^{20071456080169} is an apocalyptic number.

It is an amenable number.

20071456080169 is a deficient number, since it is larger than the sum of its proper divisors (2022180463831).

20071456080169 is a wasteful number, since it uses less digits than its factorization.

20071456080169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280961.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 20071456080169 in words is "twenty trillion, seventy-one billion, four hundred fifty-six million, eighty thousand, one hundred sixty-nine".