20424303133 has 8 divisors (see below), whose sum is σ = 21996610776. Its totient is φ = 18852168000.

The previous prime is 20424303121. The next prime is 20424303139. The reversal of 20424303133 is 33130342402.

It can be written as a sum of positive squares in 4 ways, for example, as 1742060644 + 18682242489 = 41738^2 + 136683^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20424303133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20424303098 and 20424303107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424303139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309783 + ... + 369883.

It is an arithmetic number, because the mean of its divisors is an integer number (2749576347).

Almost surely, 2^20424303133 is an apocalyptic number.

It is an amenable number.

20424303133 is a deficient number, since it is larger than the sum of its proper divisors (1572307643).

20424303133 is a wasteful number, since it uses less digits than its factorization.

20424303133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86255.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20424303133 its reverse (33130342402), we get a palindrome (53554645535).

The spelling of 20424303133 in words is "twenty billion, four hundred twenty-four million, three hundred three thousand, one hundred thirty-three".