20072827 has 2 divisors, whose sum is σ = 20072828. Its totient is φ = 20072826.

The previous prime is 20072809. The next prime is 20072831. The reversal of 20072827 is 72827002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20072827 - 2¹¹ = 20070779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20072795 and 20072804.

It is not a weakly prime, because it can be changed into another prime (20072837) 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, 10036413 + 10036414.

It is an arithmetic number, because the mean of its divisors is an integer number (10036414).

Almost surely, 2^20072827 is an apocalyptic number.

20072827 is a deficient number, since it is larger than the sum of its proper divisors (1).

20072827 is an equidigital number, since it uses as much as digits as its factorization.

20072827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 20072827 is about 4480.2708623475. The cubic root of 20072827 is about 271.7708340458.

Adding to 20072827 its reverse (72827002), we get a palindrome (92899829).

The spelling of 20072827 in words is "twenty million, seventy-two thousand, eight hundred twenty-seven".