20011001200079 has 2 divisors, whose sum is σ = 20011001200080. Its totient is φ = 20011001200078.

The previous prime is 20011001200039. The next prime is 20011001200111. The reversal of 20011001200079 is 97000210011002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011001200079 - 2³² = 20006706232783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011001200039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005500600039 + 10005500600040.

It is an arithmetic number, because the mean of its divisors is an integer number (10005500600040).

Almost surely, 2^{20011001200079} is an apocalyptic number.

20011001200079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011001200079 is an equidigital number, since it uses as much as digits as its factorization.

20011001200079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The spelling of 20011001200079 in words is "twenty trillion, eleven billion, one million, two hundred thousand, seventy-nine".