20033254055 has 4 divisors (see below), whose sum is σ = 24039904872. Its totient is φ = 16026603240.

The previous prime is 20033253979. The next prime is 20033254057. The reversal of 20033254055 is 55045233002.

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

It is not a de Polignac number, because 20033254055 - 2¹⁶ = 20033188519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033254057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003325401 + ... + 2003325410.

It is an arithmetic number, because the mean of its divisors is an integer number (6009976218).

Almost surely, 2^20033254055 is an apocalyptic number.

20033254055 is a deficient number, since it is larger than the sum of its proper divisors (4006650817).

20033254055 is an equidigital number, since it uses as much as digits as its factorization.

20033254055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006650816.

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 20033254055 its reverse (55045233002), we get a palindrome (75078487057).

The spelling of 20033254055 in words is "twenty billion, thirty-three million, two hundred fifty-four thousand, fifty-five".