20433410234 has 4 divisors (see below), whose sum is σ = 30650115354. Its totient is φ = 10216705116.

The previous prime is 20433410213. The next prime is 20433410273. The reversal of 20433410234 is 43201433402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12908368225 + 7525042009 = 113615^2 + 86747^2 .

It is a super-3 number, since 3×20433410234³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108352557 + ... + 5108352560.

Almost surely, 2^20433410234 is an apocalyptic number.

20433410234 is a deficient number, since it is larger than the sum of its proper divisors (10216705120).

20433410234 is a wasteful number, since it uses less digits than its factorization.

20433410234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216705119.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20433410234 its reverse (43201433402), we get a palindrome (63634843636).

The spelling of 20433410234 in words is "twenty billion, four hundred thirty-three million, four hundred ten thousand, two hundred thirty-four".