20376673 has 2 divisors, whose sum is σ = 20376674. Its totient is φ = 20376672.

The previous prime is 20376637. The next prime is 20376701. The reversal of 20376673 is 37667302.

It is a happy number.

Together with previous prime (20376637) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20223009 + 153664 = 4497^2 + 392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20376673 is a prime.

It is not a weakly prime, because it can be changed into another prime (20376373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10188336 + 10188337.

It is an arithmetic number, because the mean of its divisors is an integer number (10188337).

Almost surely, 2^20376673 is an apocalyptic number.

It is an amenable number.

20376673 is a deficient number, since it is larger than the sum of its proper divisors (1).

20376673 is an equidigital number, since it uses as much as digits as its factorization.

20376673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 20376673 is about 4514.0528353133. The cubic root of 20376673 is about 273.1352539059.

The spelling of 20376673 in words is "twenty million, three hundred seventy-six thousand, six hundred seventy-three".