20432323334 has 4 divisors (see below), whose sum is σ = 30648485004. Its totient is φ = 10216161666.

The previous prime is 20432323297. The next prime is 20432323339. The reversal of 20432323334 is 43332323402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43332323402 = 2 ⋅21666161701.

It is a junction number, because it is equal to n+sod(n) for n = 20432323297 and 20432323306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432323339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108080832 + ... + 5108080835.

It is an arithmetic number, because the mean of its divisors is an integer number (7662121251).

Almost surely, 2^20432323334 is an apocalyptic number.

20432323334 is a deficient number, since it is larger than the sum of its proper divisors (10216161670).

20432323334 is a wasteful number, since it uses less digits than its factorization.

20432323334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216161669.

The product of its (nonzero) digits is 31104, while the sum is 29.

Adding to 20432323334 its reverse (43332323402), we get a palindrome (63764646736).

The spelling of 20432323334 in words is "twenty billion, four hundred thirty-two million, three hundred twenty-three thousand, three hundred thirty-four".