20756196 has 24 divisors (see below), whose sum is σ = 53812640. Its totient is φ = 6918696.

The previous prime is 20756191. The next prime is 20756213. The reversal of 20756196 is 69165702.

20756196 is a `hidden beast` number, since 2 + 0 + 7 + 561 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20756196.

It is not an unprimeable number, because it can be changed into a prime (20756191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95986 + ... + 96201.

Almost surely, 2^20756196 is an apocalyptic number.

It is an amenable number.

20756196 is an abundant number, since it is smaller than the sum of its proper divisors (33056444).

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

20756196 is a wasteful number, since it uses less digits than its factorization.

20756196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192200 (or 192192 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 20756196 is about 4555.8968381648. The cubic root of 20756196 is about 274.8205815900.

The spelling of 20756196 in words is "twenty million, seven hundred fifty-six thousand, one hundred ninety-six".