20430013133 has 8 divisors (see below), whose sum is σ = 20457646080. Its totient is φ = 20402400960.

The previous prime is 20430013103. The next prime is 20430013139. The reversal of 20430013133 is 33131003402.

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 20430013133 - 2²⁴ = 20413235917 is a prime.

It is a super-2 number, since 2×20430013133² (a number of 21 digits) contains 22 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 (20430013139) 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, 3029141 + ... + 3035877.

It is an arithmetic number, because the mean of its divisors is an integer number (2557205760).

Almost surely, 2^20430013133 is an apocalyptic number.

It is an amenable number.

20430013133 is a deficient number, since it is larger than the sum of its proper divisors (27632947).

20430013133 is a wasteful number, since it uses less digits than its factorization.

20430013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20430013133 its reverse (33131003402), we get a palindrome (53561016535).

The spelling of 20430013133 in words is "twenty billion, four hundred thirty million, thirteen thousand, one hundred thirty-three".