20648801 has 8 divisors (see below), whose sum is σ = 21981600. Its totient is φ = 19340640.

The previous prime is 20648791. The next prime is 20648807. The reversal of 20648801 is 10884602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20648801 - 2⁶ = 20648737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20648807) 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, 4415 + ... + 7796.

It is an arithmetic number, because the mean of its divisors is an integer number (2747700).

Almost surely, 2^20648801 is an apocalyptic number.

It is an amenable number.

20648801 is a deficient number, since it is larger than the sum of its proper divisors (1332799).

20648801 is a wasteful number, since it uses less digits than its factorization.

20648801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 20648801 is about 4544.0951794609. The cubic root of 20648801 is about 274.3457770742.

The spelling of 20648801 in words is "twenty million, six hundred forty-eight thousand, eight hundred one".