20703762008168 has 32 divisors (see below), whose sum is σ = 38921833665000. Its totient is φ = 10324642003200.

The previous prime is 20703762008147. The next prime is 20703762008177. The reversal of 20703762008168 is 86180026730702.

It can be written as a sum of positive squares in 4 ways, for example, as 18871361197924 + 1832400810244 = 4344118^2 + 1353662^2 .

It is a super-2 number, since 2×20703762008168² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422358 + ... + 6875706.

Almost surely, 2^{20703762008168} is an apocalyptic number.

It is an amenable number.

20703762008168 is a deficient number, since it is larger than the sum of its proper divisors (18218071656832).

20703762008168 is a wasteful number, since it uses less digits than its factorization.

20703762008168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454885 (or 4454881 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 20703762008168 in words is "twenty trillion, seven hundred three billion, seven hundred sixty-two million, eight thousand, one hundred sixty-eight".