20327995 has 4 divisors (see below), whose sum is σ = 24393600. Its totient is φ = 16262392.

The previous prime is 20327969. The next prime is 20328013. The reversal of 20327995 is 59972302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20327995 - 2⁵ = 20327963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032795 + ... + 2032804.

It is an arithmetic number, because the mean of its divisors is an integer number (6098400).

Almost surely, 2^20327995 is an apocalyptic number.

20327995 is a deficient number, since it is larger than the sum of its proper divisors (4065605).

20327995 is an equidigital number, since it uses as much as digits as its factorization.

20327995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065604.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 20327995 is about 4508.6577825335. The cubic root of 20327995 is about 272.9175821373.

The spelling of 20327995 in words is "twenty million, three hundred twenty-seven thousand, nine hundred ninety-five".