20710717544769 has 16 divisors (see below), whose sum is σ = 31661987309568. Its totient is φ = 11796146238672.

The previous prime is 20710717544749. The next prime is 20710717544813. The reversal of 20710717544769 is 96744571701702.

It is a happy number.

It is not a de Polignac number, because 20710717544769 - 2¹⁷ = 20710717413697 is a prime.

It is a super-2 number, since 2×20710717544769² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20710717544749) 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, 1606222617 + ... + 1606235510.

It is an arithmetic number, because the mean of its divisors is an integer number (1978874206848).

Almost surely, 2^{20710717544769} is an apocalyptic number.

It is an amenable number.

20710717544769 is a deficient number, since it is larger than the sum of its proper divisors (10951269764799).

20710717544769 is a wasteful number, since it uses less digits than its factorization.

20710717544769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212458444.

The product of its (nonzero) digits is 20744640, while the sum is 60.

The spelling of 20710717544769 in words is "twenty trillion, seven hundred ten billion, seven hundred seventeen million, five hundred forty-four thousand, seven hundred sixty-nine".