20130168865619 has 2 divisors, whose sum is σ = 20130168865620. Its totient is φ = 20130168865618.

The previous prime is 20130168865603. The next prime is 20130168865657. The reversal of 20130168865619 is 91656886103102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20130168865619 - 2⁴ = 20130168865603 is a prime.

It is a super-2 number, since 2×20130168865619² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20130168865679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065084432809 + 10065084432810.

It is an arithmetic number, because the mean of its divisors is an integer number (10065084432810).

Almost surely, 2^{20130168865619} is an apocalyptic number.

20130168865619 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130168865619 is an equidigital number, since it uses as much as digits as its factorization.

20130168865619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 20130168865619 in words is "twenty trillion, one hundred thirty billion, one hundred sixty-eight million, eight hundred sixty-five thousand, six hundred nineteen".