20133240213 has 8 divisors (see below), whose sum is σ = 26848409728. Its totient is φ = 13420115424.

The previous prime is 20133240167. The next prime is 20133240217. The reversal of 20133240213 is 31204233102.

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

It is not a de Polignac number, because 20133240213 - 2⁹ = 20133239701 is a prime.

It is a super-2 number, since 2×20133240213² (a number of 21 digits) contains 22 as substring.

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 20133240213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133240217) 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, 488056 + ... + 527697.

It is an arithmetic number, because the mean of its divisors is an integer number (3356051216).

Almost surely, 2^20133240213 is an apocalyptic number.

It is an amenable number.

20133240213 is a deficient number, since it is larger than the sum of its proper divisors (6715169515).

20133240213 is a wasteful number, since it uses less digits than its factorization.

20133240213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022363.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20133240213 its reverse (31204233102), we get a palindrome (51337473315).

The spelling of 20133240213 in words is "twenty billion, one hundred thirty-three million, two hundred forty thousand, two hundred thirteen".