20035049 has 2 divisors, whose sum is σ = 20035050. Its totient is φ = 20035048.

The previous prime is 20035039. The next prime is 20035051. The reversal of 20035049 is 94053002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18490000 + 1545049 = 4300^2 + 1243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20035049 is a prime.

It is a Sophie Germain prime.

Together with 20035051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20035039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017524 + 10017525.

It is an arithmetic number, because the mean of its divisors is an integer number (10017525).

Almost surely, 2^20035049 is an apocalyptic number.

It is an amenable number.

20035049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20035049 is an equidigital number, since it uses as much as digits as its factorization.

20035049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20035049 is about 4476.0528370429. The cubic root of 20035049 is about 271.6002318302.

The spelling of 20035049 in words is "twenty million, thirty-five thousand, forty-nine".