20101023013233 has 4 divisors (see below), whose sum is σ = 26801364017648. Its totient is φ = 13400682008820.

The previous prime is 20101023013189. The next prime is 20101023013241. The reversal of 20101023013233 is 33231032010102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20101023013233 - 2²⁸ = 20100754577777 is a prime.

It is a super-2 number, since 2×20101023013233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101023013243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350170502203 + ... + 3350170502208.

It is an arithmetic number, because the mean of its divisors is an integer number (6700341004412).

Almost surely, 2^{20101023013233} is an apocalyptic number.

It is an amenable number.

20101023013233 is a deficient number, since it is larger than the sum of its proper divisors (6700341004415).

20101023013233 is an equidigital number, since it uses as much as digits as its factorization.

20101023013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700341004414.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20101023013233 its reverse (33231032010102), we get a palindrome (53332055023335).

The spelling of 20101023013233 in words is "twenty trillion, one hundred one billion, twenty-three million, thirteen thousand, two hundred thirty-three".