20503538327 has 8 divisors (see below), whose sum is σ = 21219319440. Its totient is φ = 19788341440.

The previous prime is 20503538317. The next prime is 20503538351. The reversal of 20503538327 is 72383530502.

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

It is a cyclic number.

It is not a de Polignac number, because 20503538327 - 2¹⁴ = 20503521943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20503538317) 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, 74033 + ... + 215610.

It is an arithmetic number, because the mean of its divisors is an integer number (2652414930).

Almost surely, 2^20503538327 is an apocalyptic number.

20503538327 is a deficient number, since it is larger than the sum of its proper divisors (715781113).

20503538327 is a wasteful number, since it uses less digits than its factorization.

20503538327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292113.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 20503538327 in words is "twenty billion, five hundred three million, five hundred thirty-eight thousand, three hundred twenty-seven".