20103132354015 has 16 divisors (see below), whose sum is σ = 34057071282528. Its totient is φ = 10090984083456.

The previous prime is 20103132354013. The next prime is 20103132354017. The reversal of 20103132354015 is 51045323130102.

It is an interprime number because it is at equal distance from previous prime (20103132354013) and next prime (20103132354017).

It is not a de Polignac number, because 20103132354015 - 2¹ = 20103132354013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103132354013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39417906322 + ... + 39417906831.

It is an arithmetic number, because the mean of its divisors is an integer number (2128566955158).

Almost surely, 2^{20103132354015} is an apocalyptic number.

20103132354015 is a deficient number, since it is larger than the sum of its proper divisors (13953938928513).

20103132354015 is a wasteful number, since it uses less digits than its factorization.

20103132354015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78835813178.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 20103132354015 its reverse (51045323130102), we get a palindrome (71148455484117).

The spelling of 20103132354015 in words is "twenty trillion, one hundred three billion, one hundred thirty-two million, three hundred fifty-four thousand, fifteen".