20054500144 has 40 divisors (see below), whose sum is σ = 44417969568. Its totient is φ = 8592545280.

The previous prime is 20054500093. The next prime is 20054500159. The reversal of 20054500144 is 44100545002.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 451074 + ... + 493534.

Almost surely, 2^20054500144 is an apocalyptic number.

It is an amenable number.

20054500144 is an abundant number, since it is smaller than the sum of its proper divisors (24363469424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20054500144 is a wasteful number, since it uses less digits than its factorization.

20054500144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46693 (or 46687 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 20054500144 in words is "twenty billion, fifty-four million, five hundred thousand, one hundred forty-four".