20327967 has 48 divisors (see below), whose sum is σ = 34369920. Its totient is φ = 11448000.

The previous prime is 20327963. The next prime is 20327969. The reversal of 20327967 is 76972302.

It is not a de Polignac number, because 20327967 - 2² = 20327963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20327963) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189928 + ... + 190034.

It is an arithmetic number, because the mean of its divisors is an integer number (716040).

Almost surely, 2^20327967 is an apocalyptic number.

20327967 is a deficient number, since it is larger than the sum of its proper divisors (14041953).

20327967 is a wasteful number, since it uses less digits than its factorization.

20327967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 20327967 is about 4508.6546773955. The cubic root of 20327967 is about 272.9174568307.

It can be divided in two parts, 2032 and 7967, that added together give a palindrome (9999).

The spelling of 20327967 in words is "twenty million, three hundred twenty-seven thousand, nine hundred sixty-seven".