20000313220079 has 2 divisors, whose sum is σ = 20000313220080. Its totient is φ = 20000313220078.

The previous prime is 20000313220057. The next prime is 20000313220163. The reversal of 20000313220079 is 97002231300002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20000313220079 - 2²⁸ = 20000044784623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000313220879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000156610039 + 10000156610040.

It is an arithmetic number, because the mean of its divisors is an integer number (10000156610040).

Almost surely, 2^{20000313220079} is an apocalyptic number.

20000313220079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000313220079 is an equidigital number, since it uses as much as digits as its factorization.

20000313220079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 20000313220079 in words is "twenty trillion, three hundred thirteen million, two hundred twenty thousand, seventy-nine".