20546031303 has 18 divisors (see below), whose sum is σ = 33919136264. Its totient is φ = 11739939192.

The previous prime is 20546031299. The next prime is 20546031313. The reversal of 20546031303 is 30313064502.

It is a happy number.

20546031303 is a `hidden beast` number, since 2 + 0 + 54 + 603 + 1 + 3 + 0 + 3 = 666.

It is not a de Polignac number, because 20546031303 - 2² = 20546031299 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 (20546031313) 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 17 ways as a sum of consecutive naturals, for example, 1128688 + ... + 1146746.

Almost surely, 2^20546031303 is an apocalyptic number.

20546031303 is a deficient number, since it is larger than the sum of its proper divisors (13373104961).

20546031303 is an frugal number, since it uses more digits than its factorization.

20546031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36131 (or 18069 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 20546031303 its reverse (30313064502), we get a palindrome (50859095805).

The spelling of 20546031303 in words is "twenty billion, five hundred forty-six million, thirty-one thousand, three hundred three".