20453413055 has 4 divisors (see below), whose sum is σ = 24544095672. Its totient is φ = 16362730440.

The previous prime is 20453413049. The next prime is 20453413063. The reversal of 20453413055 is 55031435402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20453413055 - 2⁸ = 20453412799 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 3 ways as a sum of consecutive naturals, for example, 2045341301 + ... + 2045341310.

It is an arithmetic number, because the mean of its divisors is an integer number (6136023918).

Almost surely, 2^20453413055 is an apocalyptic number.

20453413055 is a deficient number, since it is larger than the sum of its proper divisors (4090682617).

20453413055 is an equidigital number, since it uses as much as digits as its factorization.

20453413055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090682616.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 20453413055 its reverse (55031435402), we get a palindrome (75484848457).

The spelling of 20453413055 in words is "twenty billion, four hundred fifty-three million, four hundred thirteen thousand, fifty-five".