20301855093 has 16 divisors (see below), whose sum is σ = 32390424640. Its totient is φ = 12493449072.

The previous prime is 20301855011. The next prime is 20301855109. The reversal of 20301855093 is 39055810302.

20301855093 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 18 + 550 + 93 = 666.

It is not a de Polignac number, because 20301855093 - 2²¹ = 20299757941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301855493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28919671 + ... + 28920372.

It is an arithmetic number, because the mean of its divisors is an integer number (2024401540).

Almost surely, 2^20301855093 is an apocalyptic number.

It is an amenable number.

20301855093 is a deficient number, since it is larger than the sum of its proper divisors (12088569547).

20301855093 is a wasteful number, since it uses less digits than its factorization.

20301855093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57840065 (or 57840059 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 20301855093 in words is "twenty billion, three hundred one million, eight hundred fifty-five thousand, ninety-three".