20103540545 has 8 divisors (see below), whose sum is σ = 26317362240. Its totient is φ = 14620756720.

The previous prime is 20103540529. The next prime is 20103540547. The reversal of 20103540545 is 54504530102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20103540545 - 2⁴ = 20103540529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20103540547) 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 7 ways as a sum of consecutive naturals, for example, 182759405 + ... + 182759514.

It is an arithmetic number, because the mean of its divisors is an integer number (3289670280).

Almost surely, 2^20103540545 is an apocalyptic number.

It is an amenable number.

20103540545 is a deficient number, since it is larger than the sum of its proper divisors (6213821695).

20103540545 is a wasteful number, since it uses less digits than its factorization.

20103540545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365518935.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 20103540545 in words is "twenty billion, one hundred three million, five hundred forty thousand, five hundred forty-five".