20211076793393 has 2 divisors, whose sum is σ = 20211076793394. Its totient is φ = 20211076793392.

The previous prime is 20211076793351. The next prime is 20211076793407. The reversal of 20211076793393 is 39339767011202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20158959556129 + 52117237264 = 4489873^2 + 228292^2 .

It is a cyclic number.

It is not a de Polignac number, because 20211076793393 - 2¹² = 20211076789297 is a prime.

It is not a weakly prime, because it can be changed into another prime (20211076793293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105538396696 + 10105538396697.

It is an arithmetic number, because the mean of its divisors is an integer number (10105538396697).

Almost surely, 2^{20211076793393} is an apocalyptic number.

It is an amenable number.

20211076793393 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211076793393 is an equidigital number, since it uses as much as digits as its factorization.

20211076793393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 53.

The spelling of 20211076793393 in words is "twenty trillion, two hundred eleven billion, seventy-six million, seven hundred ninety-three thousand, three hundred ninety-three".