20133300755 has 4 divisors (see below), whose sum is σ = 24159960912. Its totient is φ = 16106640600.

The previous prime is 20133300751. The next prime is 20133300773. The reversal of 20133300755 is 55700333102.

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

It is not a de Polignac number, because 20133300755 - 2² = 20133300751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20133300751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2013330071 + ... + 2013330080.

It is an arithmetic number, because the mean of its divisors is an integer number (6039990228).

Almost surely, 2^20133300755 is an apocalyptic number.

20133300755 is a deficient number, since it is larger than the sum of its proper divisors (4026660157).

20133300755 is an equidigital number, since it uses as much as digits as its factorization.

20133300755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026660156.

The product of its (nonzero) digits is 9450, while the sum is 29.

Adding to 20133300755 its reverse (55700333102), we get a palindrome (75833633857).

The spelling of 20133300755 in words is "twenty billion, one hundred thirty-three million, three hundred thousand, seven hundred fifty-five".