20468470999 has 2 divisors, whose sum is σ = 20468471000. Its totient is φ = 20468470998.

The previous prime is 20468470963. The next prime is 20468471017. The reversal of 20468470999 is 99907486402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20468470999 - 2¹⁹ = 20467946711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20468470199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10234235499 + 10234235500.

It is an arithmetic number, because the mean of its divisors is an integer number (10234235500).

Almost surely, 2^20468470999 is an apocalyptic number.

20468470999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20468470999 is an equidigital number, since it uses as much as digits as its factorization.

20468470999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 20468470999 in words is "twenty billion, four hundred sixty-eight million, four hundred seventy thousand, nine hundred ninety-nine".