20050847 has 4 divisors (see below), whose sum is σ = 20077560. Its totient is φ = 20024136.

The previous prime is 20050843. The next prime is 20050853. The reversal of 20050847 is 74805002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74805002 = 2 ⋅37402501.

It is a cyclic number.

It is not a de Polignac number, because 20050847 - 2² = 20050843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12197 + ... + 13742.

It is an arithmetic number, because the mean of its divisors is an integer number (5019390).

Almost surely, 2^20050847 is an apocalyptic number.

20050847 is a deficient number, since it is larger than the sum of its proper divisors (26713).

20050847 is an equidigital number, since it uses as much as digits as its factorization.

20050847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26712.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 20050847 is about 4477.8172137773. The cubic root of 20050847 is about 271.6716003135.

Adding to 20050847 its reverse (74805002), we get a palindrome (94855849).

The spelling of 20050847 in words is "twenty million, fifty thousand, eight hundred forty-seven".