20140185607 has 2 divisors, whose sum is σ = 20140185608. Its totient is φ = 20140185606.

The previous prime is 20140185581. The next prime is 20140185613. The reversal of 20140185607 is 70658104102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20140185607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20140185647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070092803 + 10070092804.

It is an arithmetic number, because the mean of its divisors is an integer number (10070092804).

Almost surely, 2^20140185607 is an apocalyptic number.

20140185607 is a deficient number, since it is larger than the sum of its proper divisors (1).

20140185607 is an equidigital number, since it uses as much as digits as its factorization.

20140185607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

Adding to 20140185607 its reverse (70658104102), we get a palindrome (90798289709).

The spelling of 20140185607 in words is "twenty billion, one hundred forty million, one hundred eighty-five thousand, six hundred seven".