20798601 has 8 divisors (see below), whose sum is σ = 28937280. Its totient is φ = 13262832.

The previous prime is 20798593. The next prime is 20798611. The reversal of 20798601 is 10689702.

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

It is not a de Polignac number, because 20798601 - 2³ = 20798593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20798611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150646 + ... + 150783.

It is an arithmetic number, because the mean of its divisors is an integer number (3617160).

Almost surely, 2^20798601 is an apocalyptic number.

It is an amenable number.

20798601 is a deficient number, since it is larger than the sum of its proper divisors (8138679).

20798601 is a wasteful number, since it uses less digits than its factorization.

20798601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301455.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 20798601 is about 4560.5483222963. The cubic root of 20798601 is about 275.0076075030.

The spelling of 20798601 in words is "twenty million, seven hundred ninety-eight thousand, six hundred one".