20310130133 has 8 divisors (see below), whose sum is σ = 20645654040. Its totient is φ = 19974689280.

The previous prime is 20310130117. The next prime is 20310130171. The reversal of 20310130133 is 33103101302.

It can be written as a sum of positive squares in 4 ways, for example, as 1659584644 + 18650545489 = 40738^2 + 136567^2 .

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 20310130133 - 2⁴ = 20310130117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310130033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648941 + ... + 679517.

It is an arithmetic number, because the mean of its divisors is an integer number (2580706755).

Almost surely, 2^20310130133 is an apocalyptic number.

It is an amenable number.

20310130133 is a deficient number, since it is larger than the sum of its proper divisors (335523907).

20310130133 is a wasteful number, since it uses less digits than its factorization.

20310130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41527.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20310130133 its reverse (33103101302), we get a palindrome (53413231435).

The spelling of 20310130133 in words is "twenty billion, three hundred ten million, one hundred thirty thousand, one hundred thirty-three".