20196736 has 32 divisors (see below), whose sum is σ = 45985680. Its totient is φ = 8655360.

The previous prime is 20196727. The next prime is 20196751. The reversal of 20196736 is 63769102.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 10375 + ... + 12166.

Almost surely, 2^20196736 is an apocalyptic number.

It is an amenable number.

20196736 is an abundant number, since it is smaller than the sum of its proper divisors (25788944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20196736 is an equidigital number, since it uses as much as digits as its factorization.

20196736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22562 (or 22550 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 20196736 is about 4494.0778809451. The cubic root of 20196736 is about 272.3288985646.

The spelling of 20196736 in words is "twenty million, one hundred ninety-six thousand, seven hundred thirty-six".