202020210079 has 2 divisors, whose sum is σ = 202020210080. Its totient is φ = 202020210078.

The previous prime is 202020210047. The next prime is 202020210137. The reversal of 202020210079 is 970012020202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202020210079 - 2⁵ = 202020210047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202020210479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010105039 + 101010105040.

It is an arithmetic number, because the mean of its divisors is an integer number (101010105040).

Almost surely, 2^202020210079 is an apocalyptic number.

202020210079 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020210079 is an equidigital number, since it uses as much as digits as its factorization.

202020210079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 202020210079 in words is "two hundred two billion, twenty million, two hundred ten thousand, seventy-nine".