20050250115 has 64 divisors (see below), whose sum is σ = 39576729600. Its totient is φ = 8464963584.

The previous prime is 20050250093. The next prime is 20050250117. The reversal of 20050250115 is 51105205002.

It is not a de Polignac number, because 20050250115 - 2⁵ = 20050250083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20050250091 and 20050250100.

It is not an unprimeable number, because it can be changed into a prime (20050250117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73110 + ... + 213179.

It is an arithmetic number, because the mean of its divisors is an integer number (618386400).

Almost surely, 2^20050250115 is an apocalyptic number.

20050250115 is a deficient number, since it is larger than the sum of its proper divisors (19526479485).

20050250115 is a wasteful number, since it uses less digits than its factorization.

20050250115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286356.

The product of its (nonzero) digits is 500, while the sum is 21.

Adding to 20050250115 its reverse (51105205002), we get a palindrome (71155455117).

The spelling of 20050250115 in words is "twenty billion, fifty million, two hundred fifty thousand, one hundred fifteen".