20212002179 has 2 divisors, whose sum is σ = 20212002180. Its totient is φ = 20212002178.

The previous prime is 20212002157. The next prime is 20212002199. The reversal of 20212002179 is 97120021202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20212002179 - 2⁸ = 20212001923 is a prime.

It is not a weakly prime, because it can be changed into another prime (20212002199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106001089 + 10106001090.

It is an arithmetic number, because the mean of its divisors is an integer number (10106001090).

Almost surely, 2^20212002179 is an apocalyptic number.

20212002179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212002179 is an equidigital number, since it uses as much as digits as its factorization.

20212002179 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 26.

The spelling of 20212002179 in words is "twenty billion, two hundred twelve million, two thousand, one hundred seventy-nine".