20036668336835 has 16 divisors (see below), whose sum is σ = 24453354989280. Its totient is φ = 15756759325440.

The previous prime is 20036668336823. The next prime is 20036668336837. The reversal of 20036668336835 is 53863386663002.

It is not a de Polignac number, because 20036668336835 - 2⁴ = 20036668336819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20036668336837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19923797 + ... + 20905286.

It is an arithmetic number, because the mean of its divisors is an integer number (1528334686830).

Almost surely, 2^{20036668336835} is an apocalyptic number.

20036668336835 is a deficient number, since it is larger than the sum of its proper divisors (4416686652445).

20036668336835 is a wasteful number, since it uses less digits than its factorization.

20036668336835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40830758.

The product of its (nonzero) digits is 67184640, while the sum is 59.

The spelling of 20036668336835 in words is "twenty trillion, thirty-six billion, six hundred sixty-eight million, three hundred thirty-six thousand, eight hundred thirty-five".