20196648 has 32 divisors (see below), whose sum is σ = 56102400. Its totient is φ = 6732144.

The previous prime is 20196647. The next prime is 20196653. The reversal of 20196648 is 84669102.

20196648 is a `hidden beast` number, since 2 + 0 + 1 + 9 + 6 + 648 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (20196647) 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, 46536 + ... + 46967.

It is an arithmetic number, because the mean of its divisors is an integer number (1753200).

Almost surely, 2^20196648 is an apocalyptic number.

It is an amenable number.

20196648 is an abundant number, since it is smaller than the sum of its proper divisors (35905752).

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

20196648 is a wasteful number, since it uses less digits than its factorization.

20196648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93518 (or 93508 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 20196648 is about 4494.0680902719. The cubic root of 20196648 is about 272.3285030391.

The spelling of 20196648 in words is "twenty million, one hundred ninety-six thousand, six hundred forty-eight".