20870327 has 2 divisors, whose sum is σ = 20870328. Its totient is φ = 20870326.

The previous prime is 20870323. The next prime is 20870371. The reversal of 20870327 is 72307802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20870327 - 2² = 20870323 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20870327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20870321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10435163 + 10435164.

It is an arithmetic number, because the mean of its divisors is an integer number (10435164).

Almost surely, 2^20870327 is an apocalyptic number.

20870327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20870327 is an equidigital number, since it uses as much as digits as its factorization.

20870327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 20870327 is about 4568.4053016343. The cubic root of 20870327 is about 275.3233749633.

The spelling of 20870327 in words is "twenty million, eight hundred seventy thousand, three hundred twenty-seven".