20196827 has 4 divisors (see below), whose sum is σ = 23082096. Its totient is φ = 17311560.

The previous prime is 20196811. The next prime is 20196851. The reversal of 20196827 is 72869102.

It is a happy number.

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

It is not a de Polignac number, because 20196827 - 2⁴ = 20196811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20196227) 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, 1442624 + ... + 1442637.

It is an arithmetic number, because the mean of its divisors is an integer number (5770524).

Almost surely, 2^20196827 is an apocalyptic number.

20196827 is a deficient number, since it is larger than the sum of its proper divisors (2885269).

20196827 is an equidigital number, since it uses as much as digits as its factorization.

20196827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885268.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 20196827 is about 4494.0880053688. The cubic root of 20196827 is about 272.3293075729.

The spelling of 20196827 in words is "twenty million, one hundred ninety-six thousand, eight hundred twenty-seven".