20374049 has 2 divisors, whose sum is σ = 20374050. Its totient is φ = 20374048.

The previous prime is 20374031. The next prime is 20374063. The reversal of 20374049 is 94047302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19360000 + 1014049 = 4400^2 + 1007^2 .

It is a cyclic number.

It is not a de Polignac number, because 20374049 - 2¹² = 20369953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20374069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10187024 + 10187025.

It is an arithmetic number, because the mean of its divisors is an integer number (10187025).

Almost surely, 2^20374049 is an apocalyptic number.

It is an amenable number.

20374049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20374049 is an equidigital number, since it uses as much as digits as its factorization.

20374049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20374049 is about 4513.7621780506. The cubic root of 20374049 is about 273.1235290989.

The spelling of 20374049 in words is "twenty million, three hundred seventy-four thousand, forty-nine".