20055230455 has 48 divisors (see below), whose sum is σ = 27416418624. Its totient is φ = 13998251520.

The previous prime is 20055230449. The next prime is 20055230501. The reversal of 20055230455 is 55403255002.

It is a happy number.

It is not a de Polignac number, because 20055230455 - 2¹³ = 20055222263 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 47 ways as a sum of consecutive naturals, for example, 15181195 + ... + 15182515.

It is an arithmetic number, because the mean of its divisors is an integer number (571175388).

Almost surely, 2^20055230455 is an apocalyptic number.

20055230455 is a deficient number, since it is larger than the sum of its proper divisors (7361188169).

20055230455 is a wasteful number, since it uses less digits than its factorization.

20055230455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

Adding to 20055230455 its reverse (55403255002), we get a palindrome (75458485457).

The spelling of 20055230455 in words is "twenty billion, fifty-five million, two hundred thirty thousand, four hundred fifty-five".