20054102455 has 8 divisors (see below), whose sum is σ = 24070829904. Its totient is φ = 16039344000.

The previous prime is 20054102413. The next prime is 20054102489. The reversal of 20054102455 is 55420145002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20054102455 - 2¹⁵ = 20054069687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469746 + ... + 510655.

It is an arithmetic number, because the mean of its divisors is an integer number (3008853738).

Almost surely, 2^20054102455 is an apocalyptic number.

20054102455 is a deficient number, since it is larger than the sum of its proper divisors (4016727449).

20054102455 is an equidigital number, since it uses as much as digits as its factorization.

20054102455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984497.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 20054102455 its reverse (55420145002), we get a palindrome (75474247457).

The spelling of 20054102455 in words is "twenty billion, fifty-four million, one hundred two thousand, four hundred fifty-five".