20420033433 has 8 divisors (see below), whose sum is σ = 27264164928. Its totient is φ = 13594628784.

The previous prime is 20420033411. The next prime is 20420033461. The reversal of 20420033433 is 33433002402.

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

It is not a de Polignac number, because 20420033433 - 2⁵ = 20420033401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20420031433) 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, 4679166 + ... + 4683527.

It is an arithmetic number, because the mean of its divisors is an integer number (3408020616).

Almost surely, 2^20420033433 is an apocalyptic number.

It is an amenable number.

20420033433 is a deficient number, since it is larger than the sum of its proper divisors (6844131495).

20420033433 is an equidigital number, since it uses as much as digits as its factorization.

20420033433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363423.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20420033433 its reverse (33433002402), we get a palindrome (53853035835).

The spelling of 20420033433 in words is "twenty billion, four hundred twenty million, thirty-three thousand, four hundred thirty-three".