93820920293 has 4 divisors (see below), whose sum is σ = 93823098060. Its totient is φ = 93818742528.

The previous prime is 93820920233. The next prime is 93820920299. The reversal of 93820920293 is 39202902839.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39202902839 = 31 ⋅1264609769.

It can be written as a sum of positive squares in 2 ways, for example, as 62551010404 + 31269909889 = 250102^2 + 176833^2 .

It is a cyclic number.

It is not a de Polignac number, because 93820920293 - 2¹² = 93820916197 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 (93820920299) 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, 1022930 + ... + 1110867.

It is an arithmetic number, because the mean of its divisors is an integer number (23455774515).

Almost surely, 2^93820920293 is an apocalyptic number.

It is an amenable number.

93820920293 is a deficient number, since it is larger than the sum of its proper divisors (2177767).

93820920293 is a wasteful number, since it uses less digits than its factorization.

93820920293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177766.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 93820920293 in words is "ninety-three billion, eight hundred twenty million, nine hundred twenty thousand, two hundred ninety-three".