20350049 has 2 divisors, whose sum is σ = 20350050. Its totient is φ = 20350048.

The previous prime is 20349997. The next prime is 20350067. The reversal of 20350049 is 94005302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18861649 + 1488400 = 4343^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 20350049 - 2¹² = 20345953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20350069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10175024 + 10175025.

It is an arithmetic number, because the mean of its divisors is an integer number (10175025).

Almost surely, 2^20350049 is an apocalyptic number.

It is an amenable number.

20350049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20350049 is an equidigital number, since it uses as much as digits as its factorization.

20350049 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 20350049 is about 4511.1028585037. The cubic root of 20350049 is about 273.0162432695.

The spelling of 20350049 in words is "twenty million, three hundred fifty thousand, forty-nine".