20938039133 has 8 divisors (see below), whose sum is σ = 22850488800. Its totient is φ = 19027088080.

The previous prime is 20938039117. The next prime is 20938039141. The reversal of 20938039133 is 33193083902.

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

It is not a de Polignac number, because 20938039133 - 2⁴ = 20938039117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20938039433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345335 + ... + 401412.

It is an arithmetic number, because the mean of its divisors is an integer number (2856311100).

Almost surely, 2^20938039133 is an apocalyptic number.

It is an amenable number.

20938039133 is a deficient number, since it is larger than the sum of its proper divisors (1912449667).

20938039133 is a wasteful number, since it uses less digits than its factorization.

20938039133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749307.

The product of its (nonzero) digits is 104976, while the sum is 41.

The spelling of 20938039133 in words is "twenty billion, nine hundred thirty-eight million, thirty-nine thousand, one hundred thirty-three".