20246327 has 4 divisors (see below), whose sum is σ = 20578296. Its totient is φ = 19914360.

The previous prime is 20246309. The next prime is 20246329. The reversal of 20246327 is 72364202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72364202 = 2 ⋅36182101.

It is a cyclic number.

It is not a de Polignac number, because 20246327 - 2⁸ = 20246071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20246296 and 20246305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165893 + ... + 166014.

It is an arithmetic number, because the mean of its divisors is an integer number (5144574).

Almost surely, 2^20246327 is an apocalyptic number.

20246327 is a deficient number, since it is larger than the sum of its proper divisors (331969).

20246327 is an equidigital number, since it uses as much as digits as its factorization.

20246327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331968.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 20246327 is about 4499.5918703811. The cubic root of 20246327 is about 272.5516082149.

The spelling of 20246327 in words is "twenty million, two hundred forty-six thousand, three hundred twenty-seven".