20052801 has 6 divisors (see below), whose sum is σ = 28965170. Its totient is φ = 13368528.

The previous prime is 20052793. The next prime is 20052811. The reversal of 20052801 is 10825002.

It can be written as a sum of positive squares in only one way, i.e., 20034576 + 18225 = 4476^2 + 135^2 .

It is not a de Polignac number, because 20052801 - 2³ = 20052793 is a prime.

It is a super-2 number, since 2×20052801² = 804229655891202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20052811) 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 5 ways as a sum of consecutive naturals, for example, 1114036 + ... + 1114053.

Almost surely, 2^20052801 is an apocalyptic number.

It is an amenable number.

20052801 is a deficient number, since it is larger than the sum of its proper divisors (8912369).

20052801 is a wasteful number, since it uses less digits than its factorization.

20052801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228095 (or 2228092 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 20052801 is about 4478.0353951259. The cubic root of 20052801 is about 271.6804250291.

Adding to 20052801 its reverse (10825002), we get a palindrome (30877803).

The spelling of 20052801 in words is "twenty million, fifty-two thousand, eight hundred one".