20050872 has 16 divisors (see below), whose sum is σ = 50127240. Its totient is φ = 6683616.

The previous prime is 20050867. The next prime is 20050879. The reversal of 20050872 is 27805002.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 835453 = 20050872 / (2 + 0 + 0 + 5 + 0 + 8 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050879) 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, 417703 + ... + 417750.

Almost surely, 2^20050872 is an apocalyptic number.

It is an amenable number.

20050872 is an abundant number, since it is smaller than the sum of its proper divisors (30076368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20050872 is a wasteful number, since it uses less digits than its factorization.

20050872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835462 (or 835458 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 20050872 is about 4477.8200053151. The cubic root of 20050872 is about 271.6717132229.

Adding to 20050872 its reverse (27805002), we get a palindrome (47855874).

The spelling of 20050872 in words is "twenty million, fifty thousand, eight hundred seventy-two".