20310233133 has 8 divisors (see below), whose sum is σ = 27132290496. Its totient is φ = 13514165600.

The previous prime is 20310233023. The next prime is 20310233147. The reversal of 20310233133 is 33133201302.

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 20310233133 - 2²⁰ = 20309184557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310231133) 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, 6495633 + ... + 6498758.

It is an arithmetic number, because the mean of its divisors is an integer number (3391536312).

Almost surely, 2^20310233133 is an apocalyptic number.

It is an amenable number.

20310233133 is a deficient number, since it is larger than the sum of its proper divisors (6822057363).

20310233133 is a wasteful number, since it uses less digits than its factorization.

20310233133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12994915.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20310233133 its reverse (33133201302), we get a palindrome (53443434435).

The spelling of 20310233133 in words is "twenty billion, three hundred ten million, two hundred thirty-three thousand, one hundred thirty-three".