20014340009 has 2 divisors, whose sum is σ = 20014340010. Its totient is φ = 20014340008.

The previous prime is 20014339997. The next prime is 20014340113. The reversal of 20014340009 is 90004341002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20014326784 + 13225 = 141472^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 20014340009 - 2²⁰ = 20013291433 is a prime.

It is not a weakly prime, because it can be changed into another prime (20014340509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007170004 + 10007170005.

It is an arithmetic number, because the mean of its divisors is an integer number (10007170005).

Almost surely, 2^20014340009 is an apocalyptic number.

It is an amenable number.

20014340009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20014340009 is an equidigital number, since it uses as much as digits as its factorization.

20014340009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 20014340009 in words is "twenty billion, fourteen million, three hundred forty thousand, nine".