20053484563 has 12 divisors (see below), whose sum is σ = 24699731112. Its totient is φ = 16177600320.

The previous prime is 20053484551. The next prime is 20053484567. The reversal of 20053484563 is 36548435002.

It is a de Polignac number, because none of the positive numbers 2^k-20053484563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20053484567) 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 11 ways as a sum of consecutive naturals, for example, 12036073 + ... + 12037738.

It is an arithmetic number, because the mean of its divisors is an integer number (2058310926).

Almost surely, 2^20053484563 is an apocalyptic number.

20053484563 is a deficient number, since it is larger than the sum of its proper divisors (4646246549).

20053484563 is a wasteful number, since it uses less digits than its factorization.

20053484563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24073842 (or 24073835 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 20053484563 in words is "twenty billion, fifty-three million, four hundred eighty-four thousand, five hundred sixty-three".