201050815 has 16 divisors (see below), whose sum is σ = 280249920. Its totient is φ = 135601920.

The previous prime is 201050803. The next prime is 201050849. The reversal of 201050815 is 518050102.

It is not a de Polignac number, because 201050815 - 2²¹ = 198953663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44950 + ... + 49219.

It is an arithmetic number, because the mean of its divisors is an integer number (17515620).

Almost surely, 2^201050815 is an apocalyptic number.

201050815 is a deficient number, since it is larger than the sum of its proper divisors (79199105).

201050815 is an equidigital number, since it uses as much as digits as its factorization.

201050815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94242.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 201050815 is about 14179.2388723796. The cubic root of 201050815 is about 585.8259596844.

It can be divided in two parts, 2010 and 50815, that added together give a palindrome (52825).

The spelling of 201050815 in words is "two hundred one million, fifty thousand, eight hundred fifteen".