10420542117 has 12 divisors (see below), whose sum is σ = 15057300544. Its totient is φ = 6944532840.

The previous prime is 10420542109. The next prime is 10420542133. The reversal of 10420542117 is 71124502401.

10420542117 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 0 + 542 + 117 = 666.

It is not a de Polignac number, because 10420542117 - 2³ = 10420542109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420542137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181309 + ... + 231762.

Almost surely, 2^10420542117 is an apocalyptic number.

It is an amenable number.

10420542117 is a deficient number, since it is larger than the sum of its proper divisors (4636758427).

10420542117 is a wasteful number, since it uses less digits than its factorization.

10420542117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415880 (or 415877 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The spelling of 10420542117 in words is "ten billion, four hundred twenty million, five hundred forty-two thousand, one hundred seventeen".