20054102454 has 48 divisors (see below), whose sum is σ = 46016485632. Its totient is φ = 6298619184.

The previous prime is 20054102413. The next prime is 20054102489. The reversal of 20054102454 is 45420145002.

20054102454 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 410 + 245 + 4 = 666.

It is a Curzon number.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 333754 + ... + 389229.

It is an arithmetic number, because the mean of its divisors is an integer number (958676784).

Almost surely, 2^20054102454 is an apocalyptic number.

20054102454 is an abundant number, since it is smaller than the sum of its proper divisors (25962383178).

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

20054102454 is a wasteful number, since it uses less digits than its factorization.

20054102454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723081 (or 723078 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 20054102454 its reverse (45420145002), we get a palindrome (65474247456).

The spelling of 20054102454 in words is "twenty billion, fifty-four million, one hundred two thousand, four hundred fifty-four".