20627117182501 has 2 divisors, whose sum is σ = 20627117182502. Its totient is φ = 20627117182500.

The previous prime is 20627117182487. The next prime is 20627117182517. The reversal of 20627117182501 is 10528171172602.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17472408360001 + 3154708822500 = 4180001^2 + 1776150^2 .

It is a cyclic number.

It is not a de Polignac number, because 20627117182501 - 2²⁵ = 20627083628069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20627117282501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10313558591250 + 10313558591251.

It is an arithmetic number, because the mean of its divisors is an integer number (10313558591251).

Almost surely, 2^{20627117182501} is an apocalyptic number.

It is an amenable number.

20627117182501 is a deficient number, since it is larger than the sum of its proper divisors (1).

20627117182501 is an equidigital number, since it uses as much as digits as its factorization.

20627117182501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 43.

The spelling of 20627117182501 in words is "twenty trillion, six hundred twenty-seven billion, one hundred seventeen million, one hundred eighty-two thousand, five hundred one".