20024440133 has 8 divisors (see below), whose sum is σ = 20121854976. Its totient is φ = 19927198800.

The previous prime is 20024440129. The next prime is 20024440181. The reversal of 20024440133 is 33104442002.

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 20024440133 - 2² = 20024440129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20024440099 and 20024440108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024440433) 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, 191063 + ... + 276683.

It is an arithmetic number, because the mean of its divisors is an integer number (2515231872).

Almost surely, 2^20024440133 is an apocalyptic number.

It is an amenable number.

20024440133 is a deficient number, since it is larger than the sum of its proper divisors (97414843).

20024440133 is an equidigital number, since it uses as much as digits as its factorization.

20024440133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86755.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20024440133 its reverse (33104442002), we get a palindrome (53128882135).

The spelling of 20024440133 in words is "twenty billion, twenty-four million, four hundred forty thousand, one hundred thirty-three".