20227801 has 8 divisors (see below), whose sum is σ = 22605408. Its totient is φ = 17940000.

The previous prime is 20227747. The next prime is 20227817. The reversal of 20227801 is 10872202.

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 20227801 - 2¹¹ = 20225753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20227891) 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, 21975 + ... + 22876.

It is an arithmetic number, because the mean of its divisors is an integer number (2825676).

Almost surely, 2^20227801 is an apocalyptic number.

It is an amenable number.

20227801 is a deficient number, since it is larger than the sum of its proper divisors (2377607).

20227801 is a wasteful number, since it uses less digits than its factorization.

20227801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44903.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 20227801 is about 4497.5327680852. The cubic root of 20227801 is about 272.4684518649.

The spelling of 20227801 in words is "twenty million, two hundred twenty-seven thousand, eight hundred one".