20103440359 has 2 divisors, whose sum is σ = 20103440360. Its totient is φ = 20103440358.

The previous prime is 20103440353. The next prime is 20103440419. The reversal of 20103440359 is 95304430102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20103440359 - 2⁵ = 20103440327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20103440359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20103440353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051720179 + 10051720180.

It is an arithmetic number, because the mean of its divisors is an integer number (10051720180).

Almost surely, 2^20103440359 is an apocalyptic number.

20103440359 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103440359 is an equidigital number, since it uses as much as digits as its factorization.

20103440359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 20103440359 in words is "twenty billion, one hundred three million, four hundred forty thousand, three hundred fifty-nine".