20011433249 has 2 divisors, whose sum is σ = 20011433250. Its totient is φ = 20011433248.

The previous prime is 20011433201. The next prime is 20011433297. The reversal of 20011433249 is 94233411002.

It is a balanced prime because it is at equal distance from previous prime (20011433201) and next prime (20011433297).

It can be written as a sum of positive squares in only one way, i.e., 14165760400 + 5845672849 = 119020^2 + 76457^2 .

It is a cyclic number.

It is not a de Polignac number, because 20011433249 - 2¹⁶ = 20011367713 is a prime.

It is not a weakly prime, because it can be changed into another prime (20011439249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005716624 + 10005716625.

It is an arithmetic number, because the mean of its divisors is an integer number (10005716625).

Almost surely, 2^20011433249 is an apocalyptic number.

It is an amenable number.

20011433249 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011433249 is an equidigital number, since it uses as much as digits as its factorization.

20011433249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 20011433249 in words is "twenty billion, eleven million, four hundred thirty-three thousand, two hundred forty-nine".