20048029849 has 2 divisors, whose sum is σ = 20048029850. Its totient is φ = 20048029848.

The previous prime is 20048029829. The next prime is 20048029867. The reversal of 20048029849 is 94892084002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17178820624 + 2869209225 = 131068^2 + 53565^2 .

It is a cyclic number.

It is not a de Polignac number, because 20048029849 - 2¹³ = 20048021657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20048029799 and 20048029808.

It is not a weakly prime, because it can be changed into another prime (20048029829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10024014924 + 10024014925.

It is an arithmetic number, because the mean of its divisors is an integer number (10024014925).

Almost surely, 2^20048029849 is an apocalyptic number.

It is an amenable number.

20048029849 is a deficient number, since it is larger than the sum of its proper divisors (1).

20048029849 is an equidigital number, since it uses as much as digits as its factorization.

20048029849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 20048029849 in words is "twenty billion, forty-eight million, twenty-nine thousand, eight hundred forty-nine".