20184224873 has 2 divisors, whose sum is σ = 20184224874. Its totient is φ = 20184224872.

The previous prime is 20184224857. The next prime is 20184224887. The reversal of 20184224873 is 37842248102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19895666704 + 288558169 = 141052^2 + 16987^2 .

It is a cyclic number.

It is not a de Polignac number, because 20184224873 - 2⁴ = 20184224857 is a prime.

It is a super-2 number, since 2×20184224873² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20184224873.

It is not a weakly prime, because it can be changed into another prime (20184227873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10092112436 + 10092112437.

It is an arithmetic number, because the mean of its divisors is an integer number (10092112437).

Almost surely, 2^20184224873 is an apocalyptic number.

It is an amenable number.

20184224873 is a deficient number, since it is larger than the sum of its proper divisors (1).

20184224873 is an equidigital number, since it uses as much as digits as its factorization.

20184224873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 20184224873 in words is "twenty billion, one hundred eighty-four million, two hundred twenty-four thousand, eight hundred seventy-three".