20433442304434 has 8 divisors (see below), whose sum is σ = 30652627927788. Its totient is φ = 10215899661840.

The previous prime is 20433442304389. The next prime is 20433442304467. The reversal of 20433442304434 is 43440324433402.

It can be written as a sum of positive squares in 2 ways, for example, as 16120746954225 + 4312695350209 = 4015065^2 + 2076703^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 410714097 + ... + 410763844.

Almost surely, 2^{20433442304434} is an apocalyptic number.

20433442304434 is a deficient number, since it is larger than the sum of its proper divisors (10219185623354).

20433442304434 is a wasteful number, since it uses less digits than its factorization.

20433442304434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821490380.

The product of its (nonzero) digits is 1327104, while the sum is 40.

Adding to 20433442304434 its reverse (43440324433402), we get a palindrome (63873766737836).

The spelling of 20433442304434 in words is "twenty trillion, four hundred thirty-three billion, four hundred forty-two million, three hundred four thousand, four hundred thirty-four".