20021022002279 has 2 divisors, whose sum is σ = 20021022002280. Its totient is φ = 20021022002278.

The previous prime is 20021022002263. The next prime is 20021022002327. The reversal of 20021022002279 is 97220022012002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20021022002279 - 2⁴ = 20021022002263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20021022005279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010511001139 + 10010511001140.

It is an arithmetic number, because the mean of its divisors is an integer number (10010511001140).

Almost surely, 2^{20021022002279} is an apocalyptic number.

20021022002279 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021022002279 is an equidigital number, since it uses as much as digits as its factorization.

20021022002279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 20021022002279 in words is "twenty trillion, twenty-one billion, twenty-two million, two thousand, two hundred seventy-nine".