20133300023 has 4 divisors (see below), whose sum is σ = 20146521048. Its totient is φ = 20120079000.

The previous prime is 20133300017. The next prime is 20133300043. The reversal of 20133300023 is 32000333102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20133300023 is a prime.

It is a super-2 number, since 2×20133300023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133299974 and 20133300010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133300043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6608228 + ... + 6611273.

It is an arithmetic number, because the mean of its divisors is an integer number (5036630262).

Almost surely, 2^20133300023 is an apocalyptic number.

20133300023 is a deficient number, since it is larger than the sum of its proper divisors (13221025).

20133300023 is a wasteful number, since it uses less digits than its factorization.

20133300023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13221024.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20133300023 its reverse (32000333102), we get a palindrome (52133633125).

The spelling of 20133300023 in words is "twenty billion, one hundred thirty-three million, three hundred thousand, twenty-three".