20210002079 has 2 divisors, whose sum is σ = 20210002080. Its totient is φ = 20210002078.

The previous prime is 20210002063. The next prime is 20210002117. The reversal of 20210002079 is 97020001202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20210002079 - 2⁴ = 20210002063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20210002979) 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 as a sum of consecutive naturals, namely, 10105001039 + 10105001040.

It is an arithmetic number, because the mean of its divisors is an integer number (10105001040).

Almost surely, 2^20210002079 is an apocalyptic number.

20210002079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210002079 is an equidigital number, since it uses as much as digits as its factorization.

20210002079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The spelling of 20210002079 in words is "twenty billion, two hundred ten million, two thousand, seventy-nine".