20085732463 has 2 divisors, whose sum is σ = 20085732464. Its totient is φ = 20085732462.

The previous prime is 20085732431. The next prime is 20085732493. The reversal of 20085732463 is 36423758002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20085732463 - 2⁵ = 20085732431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20085732493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10042866231 + 10042866232.

It is an arithmetic number, because the mean of its divisors is an integer number (10042866232).

Almost surely, 2^20085732463 is an apocalyptic number.

20085732463 is a deficient number, since it is larger than the sum of its proper divisors (1).

20085732463 is an equidigital number, since it uses as much as digits as its factorization.

20085732463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 20085732463 in words is "twenty billion, eighty-five million, seven hundred thirty-two thousand, four hundred sixty-three".