20342321433 has 18 divisors (see below), whose sum is σ = 34180636074. Its totient is φ = 11624183424.

The previous prime is 20342321413. The next prime is 20342321459. The reversal of 20342321433 is 33412324302.

20342321433 is a `hidden beast` number, since 20 + 3 + 423 + 214 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15102443664 + 5239877769 = 122892^2 + 72387^2 .

It is not a de Polignac number, because 20342321433 - 2¹³ = 20342313241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20342321397 and 20342321406.

It is not an unprimeable number, because it can be changed into a prime (20342321413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23063416 + ... + 23064297.

Almost surely, 2^20342321433 is an apocalyptic number.

It is an amenable number.

20342321433 is a deficient number, since it is larger than the sum of its proper divisors (13838314641).

20342321433 is a wasteful number, since it uses less digits than its factorization.

20342321433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46127733 (or 46127723 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20342321433 its reverse (33412324302), we get a palindrome (53754645735).

The spelling of 20342321433 in words is "twenty billion, three hundred forty-two million, three hundred twenty-one thousand, four hundred thirty-three".