20760911803 has 2 divisors, whose sum is σ = 20760911804. Its totient is φ = 20760911802.

The previous prime is 20760911789. The next prime is 20760911851. The reversal of 20760911803 is 30811906702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20760911803 - 2²¹ = 20758814651 is a prime.

It is not a weakly prime, because it can be changed into another prime (20760911893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10380455901 + 10380455902.

It is an arithmetic number, because the mean of its divisors is an integer number (10380455902).

Almost surely, 2^20760911803 is an apocalyptic number.

20760911803 is a deficient number, since it is larger than the sum of its proper divisors (1).

20760911803 is an equidigital number, since it uses as much as digits as its factorization.

20760911803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 20760911803 in words is "twenty billion, seven hundred sixty million, nine hundred eleven thousand, eight hundred three".