20103140135 has 64 divisors (see below), whose sum is σ = 27985668480. Its totient is φ = 13731594240.

The previous prime is 20103140117. The next prime is 20103140137. The reversal of 20103140135 is 53104130102.

It is not a de Polignac number, because 20103140135 - 2⁸ = 20103139879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103140137) 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 in 63 ways as a sum of consecutive naturals, for example, 16356701 + ... + 16357929.

It is an arithmetic number, because the mean of its divisors is an integer number (437276070).

Almost surely, 2^20103140135 is an apocalyptic number.

20103140135 is a deficient number, since it is larger than the sum of its proper divisors (7882528345).

20103140135 is a wasteful number, since it uses less digits than its factorization.

20103140135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20103140135 its reverse (53104130102), we get a palindrome (73207270237).

The spelling of 20103140135 in words is "twenty billion, one hundred three million, one hundred forty thousand, one hundred thirty-five".