20000313220133 has 4 divisors (see below), whose sum is σ = 21176802233100. Its totient is φ = 18823824207168.

The previous prime is 20000313220079. The next prime is 20000313220163. The reversal of 20000313220133 is 33102231300002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5580848713924 + 14419464506209 = 2362382^2 + 3797297^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000313220133 - 2¹⁶ = 20000313154597 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 (20000313220163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588244506458 + ... + 588244506491.

It is an arithmetic number, because the mean of its divisors is an integer number (5294200558275).

Almost surely, 2^{20000313220133} is an apocalyptic number.

It is an amenable number.

20000313220133 is a deficient number, since it is larger than the sum of its proper divisors (1176489012967).

20000313220133 is a wasteful number, since it uses less digits than its factorization.

20000313220133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176489012966.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20000313220133 its reverse (33102231300002), we get a palindrome (53102544520135).

The spelling of 20000313220133 in words is "twenty trillion, three hundred thirteen million, two hundred twenty thousand, one hundred thirty-three".