20676037 has 2 divisors, whose sum is σ = 20676038. Its totient is φ = 20676036.

The previous prime is 20676031. The next prime is 20676049. The reversal of 20676037 is 73067602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18957316 + 1718721 = 4354^2 + 1311^2 .

It is a cyclic number.

It is not a de Polignac number, because 20676037 - 2¹⁵ = 20643269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20676031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10338018 + 10338019.

It is an arithmetic number, because the mean of its divisors is an integer number (10338019).

Almost surely, 2^20676037 is an apocalyptic number.

It is an amenable number.

20676037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20676037 is an equidigital number, since it uses as much as digits as its factorization.

20676037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 20676037 is about 4547.0910481318. The cubic root of 20676037 is about 274.4663457977.

The spelling of 20676037 in words is "twenty million, six hundred seventy-six thousand, thirty-seven".