20424884371 has 2 divisors, whose sum is σ = 20424884372. Its totient is φ = 20424884370.

The previous prime is 20424884341. The next prime is 20424884377. The reversal of 20424884371 is 17348842402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20424884371 - 2¹⁹ = 20424360083 is a prime.

It is not a weakly prime, because it can be changed into another prime (20424884377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212442185 + 10212442186.

It is an arithmetic number, because the mean of its divisors is an integer number (10212442186).

Almost surely, 2^20424884371 is an apocalyptic number.

20424884371 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424884371 is an equidigital number, since it uses as much as digits as its factorization.

20424884371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 20424884371 in words is "twenty billion, four hundred twenty-four million, eight hundred eighty-four thousand, three hundred seventy-one".