20485760063 has 2 divisors, whose sum is σ = 20485760064. Its totient is φ = 20485760062.

The previous prime is 20485760059. The next prime is 20485760089. The reversal of 20485760063 is 36006758402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20485760063 - 2² = 20485760059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20485760063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20485760023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10242880031 + 10242880032.

It is an arithmetic number, because the mean of its divisors is an integer number (10242880032).

Almost surely, 2^20485760063 is an apocalyptic number.

20485760063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20485760063 is an equidigital number, since it uses as much as digits as its factorization.

20485760063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20485760063 in words is "twenty billion, four hundred eighty-five million, seven hundred sixty thousand, sixty-three".