20043453055 has 16 divisors (see below), whose sum is σ = 24342303744. Its totient is φ = 15842373120.

The previous prime is 20043453047. The next prime is 20043453061. The reversal of 20043453055 is 55035434002.

It is a happy number.

It is not a de Polignac number, because 20043453055 - 2³ = 20043453047 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 15 ways as a sum of consecutive naturals, for example, 87549 + ... + 218521.

It is an arithmetic number, because the mean of its divisors is an integer number (1521393984).

Almost surely, 2^20043453055 is an apocalyptic number.

20043453055 is a deficient number, since it is larger than the sum of its proper divisors (4298850689).

20043453055 is a wasteful number, since it uses less digits than its factorization.

20043453055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131346.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 20043453055 its reverse (55035434002), we get a palindrome (75078887057).

The spelling of 20043453055 in words is "twenty billion, forty-three million, four hundred fifty-three thousand, fifty-five".