20068222379 has 2 divisors, whose sum is σ = 20068222380. Its totient is φ = 20068222378.

The previous prime is 20068222331. The next prime is 20068222397. The reversal of 20068222379 is 97322286002.

Together with next prime (20068222397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20068222379 - 2²⁰ = 20067173803 is a prime.

It is not a weakly prime, because it can be changed into another prime (20068222079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10034111189 + 10034111190.

It is an arithmetic number, because the mean of its divisors is an integer number (10034111190).

Almost surely, 2^20068222379 is an apocalyptic number.

20068222379 is a deficient number, since it is larger than the sum of its proper divisors (1).

20068222379 is an equidigital number, since it uses as much as digits as its factorization.

20068222379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 20068222379 in words is "twenty billion, sixty-eight million, two hundred twenty-two thousand, three hundred seventy-nine".