20430133213 has 8 divisors (see below), whose sum is σ = 23352870528. Its totient is φ = 17508432624.

The previous prime is 20430133193. The next prime is 20430133219. The reversal of 20430133213 is 31233103402.

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 20430133213 - 2²⁵ = 20396578781 is a prime.

It is a super-3 number, since 3×20430133213³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430133219) 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, 216481 + ... + 296182.

It is an arithmetic number, because the mean of its divisors is an integer number (2919108816).

Almost surely, 2^20430133213 is an apocalyptic number.

It is an amenable number.

20430133213 is a deficient number, since it is larger than the sum of its proper divisors (2922737315).

20430133213 is an equidigital number, since it uses as much as digits as its factorization.

20430133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518363.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20430133213 its reverse (31233103402), we get a palindrome (51663236615).

The spelling of 20430133213 in words is "twenty billion, four hundred thirty million, one hundred thirty-three thousand, two hundred thirteen".