20032857773939 has 8 divisors (see below), whose sum is σ = 21398971450320. Its totient is φ = 18687600795136.

The previous prime is 20032857773933. The next prime is 20032857773983. The reversal of 20032857773939 is 93937775823002.

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

It is not a de Polignac number, because 20032857773939 - 2¹² = 20032857769843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032857773933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5214172409 + ... + 5214176250.

It is an arithmetic number, because the mean of its divisors is an integer number (2674871431290).

Almost surely, 2^{20032857773939} is an apocalyptic number.

20032857773939 is a deficient number, since it is larger than the sum of its proper divisors (1366113676381).

20032857773939 is a wasteful number, since it uses less digits than its factorization.

20032857773939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10428348789.

The product of its (nonzero) digits is 120022560, while the sum is 65.

The spelling of 20032857773939 in words is "twenty trillion, thirty-two billion, eight hundred fifty-seven million, seven hundred seventy-three thousand, nine hundred thirty-nine".