20327841 has 20 divisors (see below), whose sum is σ = 31112004. Its totient is φ = 13219200.

The previous prime is 20327807. The next prime is 20327849. The reversal of 20327841 is 14872302.

It can be written as a sum of positive squares in 2 ways, for example, as 1587600 + 18740241 = 1260^2 + 4329^2 .

It is not a de Polignac number, because 20327841 - 2¹¹ = 20325793 is a prime.

It is a super-2 number, since 2×20327841² = 826442239442562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20327849) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 261 + ... + 6381.

Almost surely, 2^20327841 is an apocalyptic number.

It is an amenable number.

20327841 is a deficient number, since it is larger than the sum of its proper divisors (10784163).

20327841 is an equidigital number, since it uses as much as digits as its factorization.

20327841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174 (or 6165 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 20327841 is about 4508.6407042478. The cubic root of 20327841 is about 272.9168929496.

The spelling of 20327841 in words is "twenty million, three hundred twenty-seven thousand, eight hundred forty-one".