201024415 has 4 divisors (see below), whose sum is σ = 241229304. Its totient is φ = 160819528.

The previous prime is 201024409. The next prime is 201024419. The reversal of 201024415 is 514420102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201024415 - 2⁹ = 201023903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201024392 and 201024401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201024419) 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, 20102437 + ... + 20102446.

It is an arithmetic number, because the mean of its divisors is an integer number (60307326).

Almost surely, 2^201024415 is an apocalyptic number.

201024415 is a deficient number, since it is larger than the sum of its proper divisors (40204889).

201024415 is an equidigital number, since it uses as much as digits as its factorization.

201024415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40204888.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 201024415 is about 14178.3079032725. The cubic root of 201024415 is about 585.8003169428.

Adding to 201024415 its reverse (514420102), we get a palindrome (715444517).

The spelling of 201024415 in words is "two hundred one million, twenty-four thousand, four hundred fifteen".