20600791 has 2 divisors, whose sum is σ = 20600792. Its totient is φ = 20600790.

The previous prime is 20600743. The next prime is 20600809. The reversal of 20600791 is 19700602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20600791 - 2¹⁷ = 20469719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20600291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10300395 + 10300396.

It is an arithmetic number, because the mean of its divisors is an integer number (10300396).

Almost surely, 2^20600791 is an apocalyptic number.

20600791 is a deficient number, since it is larger than the sum of its proper divisors (1).

20600791 is an equidigital number, since it uses as much as digits as its factorization.

20600791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 20600791 is about 4538.8094253890. The cubic root of 20600791 is about 274.1329872843.

The spelling of 20600791 in words is "twenty million, six hundred thousand, seven hundred ninety-one".