201004015 has 16 divisors (see below), whose sum is σ = 252105408. Its totient is φ = 153559296.

The previous prime is 201004009. The next prime is 201004051. The reversal of 201004015 is 510400102.

It is a cyclic number.

It is not a de Polignac number, because 201004015 - 2¹⁷ = 200872943 is a prime.

It is a super-2 number, since 2×201004015² = 80805228092240450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201003986 and 201004004.

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, 99859 + ... + 101851.

It is an arithmetic number, because the mean of its divisors is an integer number (15756588).

Almost surely, 2^201004015 is an apocalyptic number.

201004015 is a deficient number, since it is larger than the sum of its proper divisors (51101393).

201004015 is a wasteful number, since it uses less digits than its factorization.

201004015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 201004015 is about 14177.5884761831. The cubic root of 201004015 is about 585.7805005592.

Adding to 201004015 its reverse (510400102), we get a palindrome (711404117).

The spelling of 201004015 in words is "two hundred one million, four thousand, fifteen".