20260446566747 has 2 divisors, whose sum is σ = 20260446566748. Its totient is φ = 20260446566746.

The previous prime is 20260446566693. The next prime is 20260446566797. The reversal of 20260446566747 is 74766564406202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20260446566747 - 2¹² = 20260446562651 is a prime.

It is not a weakly prime, because it can be changed into another prime (20260446566797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10130223283373 + 10130223283374.

It is an arithmetic number, because the mean of its divisors is an integer number (10130223283374).

Almost surely, 2^{20260446566747} is an apocalyptic number.

20260446566747 is a deficient number, since it is larger than the sum of its proper divisors (1).

20260446566747 is an equidigital number, since it uses as much as digits as its factorization.

20260446566747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81285120, while the sum is 59.

The spelling of 20260446566747 in words is "twenty trillion, two hundred sixty billion, four hundred forty-six million, five hundred sixty-six thousand, seven hundred forty-seven".