20086426417 has 8 divisors (see below), whose sum is σ = 20309373000. Its totient is φ = 19863803904.

The previous prime is 20086426411. The next prime is 20086426429. The reversal of 20086426417 is 71462468002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9480722161 + 10605704256 = 97369^2 + 102984^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20086426417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20086426417.

It is not an unprimeable number, because it can be changed into a prime (20086426411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44709 + ... + 205357.

It is an arithmetic number, because the mean of its divisors is an integer number (2538671625).

Almost surely, 2^20086426417 is an apocalyptic number.

It is an amenable number.

20086426417 is a deficient number, since it is larger than the sum of its proper divisors (222946583).

20086426417 is a wasteful number, since it uses less digits than its factorization.

20086426417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162035.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 20086426417 in words is "twenty billion, eighty-six million, four hundred twenty-six thousand, four hundred seventeen".