20327823 has 18 divisors (see below), whose sum is σ = 29900832. Its totient is φ = 13307760.

The previous prime is 20327807. The next prime is 20327849. The reversal of 20327823 is 32872302.

It is not a de Polignac number, because 20327823 - 2⁴ = 20327807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20327873) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33186 + ... + 33792.

Almost surely, 2^20327823 is an apocalyptic number.

20327823 is a deficient number, since it is larger than the sum of its proper divisors (9573009).

20327823 is an equidigital number, since it uses as much as digits as its factorization.

20327823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 20327823 is about 4508.6387080803. The cubic root of 20327823 is about 272.9168123950.

The spelling of 20327823 in words is "twenty million, three hundred twenty-seven thousand, eight hundred twenty-three".