20323210867 has 2 divisors, whose sum is σ = 20323210868. Its totient is φ = 20323210866.

The previous prime is 20323210841. The next prime is 20323210891. The reversal of 20323210867 is 76801232302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20323210867 is a prime.

It is not a weakly prime, because it can be changed into another prime (20323210837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161605433 + 10161605434.

It is an arithmetic number, because the mean of its divisors is an integer number (10161605434).

Almost surely, 2^20323210867 is an apocalyptic number.

20323210867 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323210867 is an equidigital number, since it uses as much as digits as its factorization.

20323210867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 20323210867 in words is "twenty billion, three hundred twenty-three million, two hundred ten thousand, eight hundred sixty-seven".