20055733243 has 16 divisors (see below), whose sum is σ = 25258030336. Its totient is φ = 15499239840.

The previous prime is 20055733219. The next prime is 20055733267. The reversal of 20055733243 is 34233755002.

It is an interprime number because it is at equal distance from previous prime (20055733219) and next prime (20055733267).

It is not a de Polignac number, because 20055733243 - 2³³ = 11465798651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20055733199 and 20055733208.

It is not an unprimeable number, because it can be changed into a prime (20055733843) 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, 2558793 + ... + 2566618.

It is an arithmetic number, because the mean of its divisors is an integer number (1578626896).

Almost surely, 2^20055733243 is an apocalyptic number.

20055733243 is a deficient number, since it is larger than the sum of its proper divisors (5202297093).

20055733243 is a wasteful number, since it uses less digits than its factorization.

20055733243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125474.

The product of its (nonzero) digits is 75600, while the sum is 34.

The spelling of 20055733243 in words is "twenty billion, fifty-five million, seven hundred thirty-three thousand, two hundred forty-three".