20313210133 has 8 divisors (see below), whose sum is σ = 20970123776. Its totient is φ = 19656399600.

The previous prime is 20313210119. The next prime is 20313210149. The reversal of 20313210133 is 33101231302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20313210133 - 2⁵ = 20313210101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20313210133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313210103) 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 7 ways as a sum of consecutive naturals, for example, 694360 + ... + 723022.

It is an arithmetic number, because the mean of its divisors is an integer number (2621265472).

Almost surely, 2^20313210133 is an apocalyptic number.

It is an amenable number.

20313210133 is a deficient number, since it is larger than the sum of its proper divisors (656913643).

20313210133 is a wasteful number, since it uses less digits than its factorization.

20313210133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51555.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20313210133 its reverse (33101231302), we get a palindrome (53414441435).

The spelling of 20313210133 in words is "twenty billion, three hundred thirteen million, two hundred ten thousand, one hundred thirty-three".