20052851 has 8 divisors (see below), whose sum is σ = 24680544. Its totient is φ = 15865920.

The previous prime is 20052821. The next prime is 20052869. The reversal of 20052851 is 15825002.

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

It is not a de Polignac number, because 20052851 - 2⁶ = 20052787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20052811) 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, 110090 + ... + 110271.

It is an arithmetic number, because the mean of its divisors is an integer number (3085068).

Almost surely, 2^20052851 is an apocalyptic number.

20052851 is a deficient number, since it is larger than the sum of its proper divisors (4627693).

20052851 is a wasteful number, since it uses less digits than its factorization.

20052851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220381.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 20052851 is about 4478.0409779277. The cubic root of 20052851 is about 271.6806508331.

Adding to 20052851 its reverse (15825002), we get a palindrome (35877853).

The spelling of 20052851 in words is "twenty million, fifty-two thousand, eight hundred fifty-one".