20054415545 has 16 divisors (see below), whose sum is σ = 25709989440. Its totient is φ = 14972278464.

The previous prime is 20054415529. The next prime is 20054415581. The reversal of 20054415545 is 54551445002.

It is not a de Polignac number, because 20054415545 - 2⁴ = 20054415529 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1569002 + ... + 1581731.

It is an arithmetic number, because the mean of its divisors is an integer number (1606874340).

Almost surely, 2^20054415545 is an apocalyptic number.

It is an amenable number.

20054415545 is a deficient number, since it is larger than the sum of its proper divisors (5655573895).

20054415545 is a wasteful number, since it uses less digits than its factorization.

20054415545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150824.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 20054415545 in words is "twenty billion, fifty-four million, four hundred fifteen thousand, five hundred forty-five".