20433420034 has 8 divisors (see below), whose sum is σ = 30651979788. Its totient is φ = 10216093440.

The previous prime is 20433420019. The next prime is 20433420037. The reversal of 20433420034 is 43002433402.

It can be written as a sum of positive squares in 2 ways, for example, as 19992546025 + 440874009 = 141395^2 + 20997^2 .

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

It is a super-2 number, since 2×20433420034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20433419990 and 20433420008.

It is not an unprimeable number, because it can be changed into a prime (20433420037) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 265687 + ... + 333850.

Almost surely, 2^20433420034 is an apocalyptic number.

20433420034 is a deficient number, since it is larger than the sum of its proper divisors (10218559754).

20433420034 is a wasteful number, since it uses less digits than its factorization.

20433420034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616580.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20433420034 its reverse (43002433402), we get a palindrome (63435853436).

The spelling of 20433420034 in words is "twenty billion, four hundred thirty-three million, four hundred twenty thousand, thirty-four".