20008363434674 has 8 divisors (see below), whose sum is σ = 30423675907740. Its totient is φ = 9867138132096.

The previous prime is 20008363434673. The next prime is 20008363434751. The reversal of 20008363434674 is 47643436380002.

It can be written as a sum of positive squares in 2 ways, for example, as 17750691906649 + 2257671528025 = 4213157^2 + 1502555^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20008363434673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68521792439 + ... + 68521792730.

Almost surely, 2^{20008363434674} is an apocalyptic number.

20008363434674 is a deficient number, since it is larger than the sum of its proper divisors (10415312473066).

20008363434674 is a wasteful number, since it uses less digits than its factorization.

20008363434674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137043585244.

The product of its (nonzero) digits is 6967296, while the sum is 50.

The spelling of 20008363434674 in words is "twenty trillion, eight billion, three hundred sixty-three million, four hundred thirty-four thousand, six hundred seventy-four".