20339964467 has 2 divisors, whose sum is σ = 20339964468. Its totient is φ = 20339964466.

The previous prime is 20339964457. The next prime is 20339964529. The reversal of 20339964467 is 76446993302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20339964467 - 2⁴ = 20339964451 is a prime.

It is not a weakly prime, because it can be changed into another prime (20339964457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10169982233 + 10169982234.

It is an arithmetic number, because the mean of its divisors is an integer number (10169982234).

Almost surely, 2^20339964467 is an apocalyptic number.

20339964467 is a deficient number, since it is larger than the sum of its proper divisors (1).

20339964467 is an equidigital number, since it uses as much as digits as its factorization.

20339964467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 53.

The spelling of 20339964467 in words is "twenty billion, three hundred thirty-nine million, nine hundred sixty-four thousand, four hundred sixty-seven".