20544054535 has 8 divisors (see below), whose sum is σ = 24664545360. Its totient is φ = 16427457024.

The previous prime is 20544054533. The next prime is 20544054539. The reversal of 20544054535 is 53545044502.

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 20544054535 - 2¹ = 20544054533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20544054494 and 20544054503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20544054533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961705 + ... + 982834.

It is an arithmetic number, because the mean of its divisors is an integer number (3083068170).

Almost surely, 2^20544054535 is an apocalyptic number.

20544054535 is a deficient number, since it is larger than the sum of its proper divisors (4120490825).

20544054535 is a wasteful number, since it uses less digits than its factorization.

20544054535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946657.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 20544054535 in words is "twenty billion, five hundred forty-four million, fifty-four thousand, five hundred thirty-five".