20304031433 has 8 divisors (see below), whose sum is σ = 23373985152. Its totient is φ = 17276422176.

The previous prime is 20304031403. The next prime is 20304031477. The reversal of 20304031433 is 33413040302.

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 20304031433 - 2¹⁶ = 20303965897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20304031399 and 20304031408.

It is not an unprimeable number, because it can be changed into a prime (20304031403) 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, 10585085 + ... + 10587002.

It is an arithmetic number, because the mean of its divisors is an integer number (2921748144).

Almost surely, 2^20304031433 is an apocalyptic number.

It is an amenable number.

20304031433 is a deficient number, since it is larger than the sum of its proper divisors (3069953719).

20304031433 is a wasteful number, since it uses less digits than its factorization.

20304031433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21172231.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20304031433 its reverse (33413040302), we get a palindrome (53717071735).

The spelling of 20304031433 in words is "twenty billion, three hundred four million, thirty-one thousand, four hundred thirty-three".