20196707 has 4 divisors (see below), whose sum is σ = 20207280. Its totient is φ = 20186136.

The previous prime is 20196679. The next prime is 20196721. The reversal of 20196707 is 70769102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20196707 - 2¹⁰ = 20195683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20196727) 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, 1532 + ... + 6537.

It is an arithmetic number, because the mean of its divisors is an integer number (5051820).

Almost surely, 2^20196707 is an apocalyptic number.

20196707 is a deficient number, since it is larger than the sum of its proper divisors (10573).

20196707 is an equidigital number, since it uses as much as digits as its factorization.

20196707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 20196707 is about 4494.0746544756. The cubic root of 20196707 is about 272.3287682211.

The spelling of 20196707 in words is "twenty million, one hundred ninety-six thousand, seven hundred seven".