10420665109108 has 6 divisors (see below), whose sum is σ = 18236163940946. Its totient is φ = 5210332554552.

The previous prime is 10420665109033. The next prime is 10420665109123. The reversal of 10420665109108 is 80190156602401.

It can be written as a sum of positive squares in only one way, i.e., 6927571392784 + 3493093716324 = 2632028^2 + 1868982^2 .

It is a super-2 number, since 2×10420665109108² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302583138635 + ... + 1302583138642.

Almost surely, 2^{10420665109108} is an apocalyptic number.

It is an amenable number.

10420665109108 is a deficient number, since it is larger than the sum of its proper divisors (7815498831838).

10420665109108 is a wasteful number, since it uses less digits than its factorization.

10420665109108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605166277281 (or 2605166277279 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 10420665109108 in words is "ten trillion, four hundred twenty billion, six hundred sixty-five million, one hundred nine thousand, one hundred eight".