20201034449 has 2 divisors, whose sum is σ = 20201034450. Its totient is φ = 20201034448.

The previous prime is 20201034433. The next prime is 20201034467. The reversal of 20201034449 is 94443010202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20165988049 + 35046400 = 142007^2 + 5920^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201034449 - 2⁴ = 20201034433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20201004449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100517224 + 10100517225.

It is an arithmetic number, because the mean of its divisors is an integer number (10100517225).

Almost surely, 2^20201034449 is an apocalyptic number.

It is an amenable number.

20201034449 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201034449 is an equidigital number, since it uses as much as digits as its factorization.

20201034449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 20201034449 in words is "twenty billion, two hundred one million, thirty-four thousand, four hundred forty-nine".