20155327 has 2 divisors, whose sum is σ = 20155328. Its totient is φ = 20155326.

The previous prime is 20155321. The next prime is 20155357. The reversal of 20155327 is 72355102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20155327 - 2¹⁵ = 20122559 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20155321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10077663 + 10077664.

It is an arithmetic number, because the mean of its divisors is an integer number (10077664).

Almost surely, 2^20155327 is an apocalyptic number.

20155327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20155327 is an equidigital number, since it uses as much as digits as its factorization.

20155327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 20155327 is about 4489.4684540600. The cubic root of 20155327 is about 272.1426542284.

The spelling of 20155327 in words is "twenty million, one hundred fifty-five thousand, three hundred twenty-seven".