20069161379 has 4 divisors (see below), whose sum is σ = 20611571184. Its totient is φ = 19526751576.

The previous prime is 20069161361. The next prime is 20069161397. The reversal of 20069161379 is 97316196002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20069161361) and next prime (20069161397).

It is a cyclic number.

It is not a de Polignac number, because 20069161379 - 2¹⁶ = 20069095843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20069161309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271204847 + ... + 271204920.

It is an arithmetic number, because the mean of its divisors is an integer number (5152892796).

Almost surely, 2^20069161379 is an apocalyptic number.

20069161379 is a deficient number, since it is larger than the sum of its proper divisors (542409805).

20069161379 is an equidigital number, since it uses as much as digits as its factorization.

20069161379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542409804.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 20069161379 in words is "twenty billion, sixty-nine million, one hundred sixty-one thousand, three hundred seventy-nine".